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56125215600 = 2435289525517
BaseRepresentation
bin110100010001010100…
…101101001101110000
312100212110111100210220
4310101110231031300
51404421023344400
641441130053040
74024556314116
oct642124551560
9170773440726
1056125215600
1121891248203
12aa6427a180
1353a5a6a65c
142a06015ab6
1516d74b37a0
hexd1152d370

56125215600 has 120 divisors (see below), whose sum is σ = 181808207280. Its totient is φ = 14798530560.

The previous prime is 56125215599. The next prime is 56125215613. The reversal of 56125215600 is 651252165.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×561252156002 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155959 + ... + 369558.

It is an arithmetic number, because the mean of its divisors is an integer number (1515068394).

Almost surely, 256125215600 is an apocalyptic number.

56125215600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56125215600 is an abundant number, since it is smaller than the sum of its proper divisors (125682991680).

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

56125215600 is a wasteful number, since it uses less digits than its factorization.

56125215600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525627 (or 525616 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 56125215600 its reverse (651252165), we get a palindrome (56776467765).

The spelling of 56125215600 in words is "fifty-six billion, one hundred twenty-five million, two hundred fifteen thousand, six hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 89 100 120 150 178 200 240 267 300 356 400 445 534 600 712 890 1068 1200 1335 1424 1780 2136 2225 2670 3560 4272 4450 5340 6675 7120 8900 10680 13350 17800 21360 26700 35600 53400 106800 525517 1051034 1576551 2102068 2627585 3153102 4204136 5255170 6306204 7882755 8408272 10510340 12612408 13137925 15765510 21020680 25224816 26275850 31531020 39413775 42041360 46771013 52551700 63062040 78827550 93542026 105103400 126124080 140313039 157655100 187084052 210206800 233855065 280626078 315310200 374168104 467710130 561252156 630620400 701565195 748336208 935420260 1122504312 1169275325 1403130390 1870840520 2245008624 2338550650 2806260780 3507825975 3741681040 4677101300 5612521560 7015651950 9354202600 11225043120 14031303900 18708405200 28062607800 56125215600