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56255001210 = 23251016599391
BaseRepresentation
bin110100011001000011…
…110011001001111010
312101012111201011012100
4310121003303021322
51410202240014320
641502043524230
74031023422612
oct643103631172
9171174634170
1056255001210
1121948533041
12aa9b829676
1353c690c685
142a1935ba42
1516e3a9d790
hexd190f327a

56255001210 has 96 divisors (see below), whose sum is σ = 147951048960. Its totient is φ = 14828688000.

The previous prime is 56255001181. The next prime is 56255001247. The reversal of 56255001210 is 1210055265.

56255001210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×562550012102 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5985615 + ... + 5995005.

It is an arithmetic number, because the mean of its divisors is an integer number (1541156760).

Almost surely, 256255001210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56255001210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73975524480).

56255001210 is an abundant number, since it is smaller than the sum of its proper divisors (91696047750).

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

56255001210 is a wasteful number, since it uses less digits than its factorization.

56255001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10164 (or 10161 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 56255001210 its reverse (1210055265), we get a palindrome (57465056475).

The spelling of 56255001210 in words is "fifty-six billion, two hundred fifty-five million, one thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 101 202 303 505 606 659 909 1010 1318 1515 1818 1977 3030 3295 3954 4545 5931 6590 9090 9391 9885 11862 18782 19770 28173 29655 46955 56346 59310 66559 84519 93910 133118 140865 169038 199677 281730 332795 399354 422595 599031 665590 845190 948491 998385 1198062 1896982 1996770 2845473 2995155 4742455 5690946 5990310 6188669 8536419 9484910 12377338 14227365 17072838 18566007 28454730 30943345 37132014 42682095 55698021 61886690 85364190 92830035 111396042 185660070 278490105 556980210 625055569 1250111138 1875166707 3125277845 3750333414 5625500121 6250555690 9375833535 11251000242 18751667070 28127500605 56255001210