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22640730080 = 2557910916433
BaseRepresentation
bin10101000101011111…
…100001111111100000
32011102212112020220112
4111011133201333200
5332332011330310
614222341230452
71431026013263
oct250537417740
964385466815
1022640730080
119669113681
12447a402428
13219a80b807
14114accacda
158c79e4705
hex5457e1fe0

22640730080 has 96 divisors (see below), whose sum is σ = 54666057600. Its totient is φ = 8859082752.

The previous prime is 22640730071. The next prime is 22640730107. The reversal of 22640730080 is 8003704622.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1369544 + ... + 1385976.

It is an arithmetic number, because the mean of its divisors is an integer number (569438100).

Almost surely, 222640730080 is an apocalyptic number.

22640730080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22640730080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27333028800).

22640730080 is an abundant number, since it is smaller than the sum of its proper divisors (32025327520).

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

22640730080 is a wasteful number, since it uses less digits than its factorization.

22640730080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16636 (or 16628 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 22640730080 in words is "twenty-two billion, six hundred forty million, seven hundred thirty thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 79 80 109 158 160 218 316 395 436 545 632 790 872 1090 1264 1580 1744 2180 2528 3160 3488 4360 6320 8611 8720 12640 16433 17222 17440 32866 34444 43055 65732 68888 82165 86110 131464 137776 164330 172220 262928 275552 328660 344440 525856 657320 688880 1298207 1314640 1377760 1791197 2596414 2629280 3582394 5192828 6491035 7164788 8955985 10385656 12982070 14329576 17911970 20771312 25964140 28659152 35823940 41542624 51928280 57318304 71647880 103856560 141504563 143295760 207713120 283009126 286591520 566018252 707522815 1132036504 1415045630 2264073008 2830091260 4528146016 5660182520 11320365040 22640730080