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51156352702060 = 22529832416596691
BaseRepresentation
bin10111010000110110001000…
…01110110001011001101100
320201010111111011202220102221
423220123010032301121230
523201121202242431220
6300444523132525124
713526632052256514
oct1350330416613154
9221114434686387
1051156352702060
1115333318503221
1258a253b0207a4
13227103c427a68
14c8bda2dc2844
155daa62a5c9aa
hex2e86c43b166c

51156352702060 has 192 divisors, whose sum is σ = 113126686041600. Its totient is φ = 19405512806400.

The previous prime is 51156352702033. The next prime is 51156352702069. The reversal of 51156352702060 is 6020725365115.

It is a super-2 number, since 2×511563527020602 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51156352701998 and 51156352702016.

It is not an unprimeable number, because it can be changed into a prime (51156352702069) 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, 7645543315 + ... + 7645550005.

It is an arithmetic number, because the mean of its divisors is an integer number (589201489800).

Almost surely, 251156352702060 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 51156352702060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56563343020800).

51156352702060 is an abundant number, since it is smaller than the sum of its proper divisors (61970333339540).

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

51156352702060 is a wasteful number, since it uses less digits than its factorization.

51156352702060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7712 (or 7710 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 51156352702060 in words is "fifty-one trillion, one hundred fifty-six billion, three hundred fifty-two million, seven hundred two thousand, sixty".