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56225560317 = 31723615691381
BaseRepresentation
bin110100010111010011…
…011111011011111101
312101010110022101212220
4310113103133123331
51410122220412232
641455112515553
74030215243243
oct642723373375
9171113271786
1056225560317
1121932954723
12aa919abbb9
1353c07a2024
142a15496793
1516e11d542c
hexd174df6fd

56225560317 has 64 divisors (see below), whose sum is σ = 84395312640. Its totient is φ = 33109401600.

The previous prime is 56225560277. The next prime is 56225560319. The reversal of 56225560317 is 71306552265.

It is not a de Polignac number, because 56225560317 - 26 = 56225560253 is a prime.

It is a super-2 number, since 2×562255603172 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56225560319) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40712967 + ... + 40714347.

It is an arithmetic number, because the mean of its divisors is an integer number (1318676760).

Almost surely, 256225560317 is an apocalyptic number.

It is an amenable number.

56225560317 is a deficient number, since it is larger than the sum of its proper divisors (28169752323).

56225560317 is a wasteful number, since it uses less digits than its factorization.

56225560317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054.

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 56225560317 in words is "fifty-six billion, two hundred twenty-five million, five hundred sixty thousand, three hundred seventeen".

Divisors: 1 3 17 23 51 61 69 183 391 569 1037 1173 1381 1403 1707 3111 4143 4209 9673 13087 23477 23851 29019 31763 34709 39261 70431 71553 84241 95289 104127 222479 252723 539971 590053 667437 785789 798307 1432097 1619913 1770159 1937543 2357367 2394921 4296291 5812629 13358413 13571219 18073147 32938231 40075239 40713657 47933129 54219441 98814693 143799387 307243499 814863193 921730497 1102461967 2444589579 3307385901 18741853439 56225560317