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52215535504331 = 1273792789388963
BaseRepresentation
bin10111101111101011000000…
…11100100000101111001011
320211212202102110002012010122
423313311200130200233023
523320444404042114311
6303015252540133455
713666306434451553
oct1367654034405713
9224782373065118
1052215535504331
1115701536599451
125a3387923728b
132319b99a58b14
14cc7361558163
156083a4e040db
hex2f7d60720bcb

52215535504331 has 16 divisors (see below), whose sum is σ = 52784592998400. Its totient is φ = 51649044195168.

The previous prime is 52215535504303. The next prime is 52215535504357. The reversal of 52215535504331 is 13340553551225.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52215535504331 is a prime.

It is a super-2 number, since 2×522155355043312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52215535504931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134048456 + ... + 134437418.

It is an arithmetic number, because the mean of its divisors is an integer number (3299037062400).

Almost surely, 252215535504331 is an apocalyptic number.

52215535504331 is a deficient number, since it is larger than the sum of its proper divisors (569057494069).

52215535504331 is a wasteful number, since it uses less digits than its factorization.

52215535504331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392258.

The product of its (nonzero) digits is 1350000, while the sum is 44.

The spelling of 52215535504331 in words is "fifty-two trillion, two hundred fifteen billion, five hundred thirty-five million, five hundred four thousand, three hundred thirty-one".

Divisors: 1 127 379 2789 48133 354203 388963 1057031 49398301 134242937 147416977 1084817807 18721956079 137771861489 411145948853 52215535504331