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56045740064808 = 233131097432218057
BaseRepresentation
bin11001011111001001010100…
…11011011000000000101000
321100102220211222200212011110
430233210222123120000220
524321223133424033213
6315111020232430320
714543112454160034
oct1457445233300050
9240386758625143
1056045740064808
111694895718019a
126352058b483a0
1325371240c0480
14dba8b206d1c4
15672d294be5c3
hex32f92a6d8028

56045740064808 has 128 divisors (see below), whose sum is σ = 152481728044800. Its totient is φ = 17063629019136.

The previous prime is 56045740064803. The next prime is 56045740064813. The reversal of 56045740064808 is 80846004754065.

It is an interprime number because it is at equal distance from previous prime (56045740064803) and next prime (56045740064813).

It is a super-2 number, since 2×560457400648082 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56045740064803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24158916 + ... + 26376972.

It is an arithmetic number, because the mean of its divisors is an integer number (1191263500350).

Almost surely, 256045740064808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56045740064808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76240864022400).

56045740064808 is an abundant number, since it is smaller than the sum of its proper divisors (96435987979992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56045740064808 is a wasteful number, since it uses less digits than its factorization.

56045740064808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218931 (or 2218927 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 57.

The spelling of 56045740064808 in words is "fifty-six trillion, forty-five billion, seven hundred forty million, sixty-four thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 109 156 218 312 327 436 654 743 872 1308 1417 1486 2229 2616 2834 2972 4251 4458 5668 5944 8502 8916 9659 11336 17004 17832 19318 28977 34008 38636 57954 77272 80987 115908 161974 231816 242961 323948 485922 647896 971844 1052831 1943688 2105662 2218057 3158493 4211324 4436114 6316986 6654171 8422648 8872228 12633972 13308342 17744456 25267944 26616684 28834741 53233368 57669482 86504223 115338964 173008446 230677928 241768213 346016892 483536426 692033784 725304639 967072852 1450609278 1648016351 1934145704 2901218556 3142986769 3296032702 4944049053 5802437112 6285973538 6592065404 9428960307 9888098106 12571947076 13184130808 18857920614 19776196212 21424212563 25143894152 37715841228 39552392424 42848425126 64272637689 75431682456 85696850252 128545275378 171393700504 179633782259 257090550756 359267564518 514181101512 538901346777 718535129036 1077802693554 1437070258072 2155605387108 2335239169367 4311210774216 4670478338734 7005717508101 9340956677468 14011435016202 18681913354936 28022870032404 56045740064808