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52144352161507 = 943754647101113
BaseRepresentation
bin10111101101100110011011…
…00101100110111011100011
320211121221200120001201002001
423312303031211212323203
523313313113123132012
6302522441254104431
713661206441151044
oct1366631545467343
9224557616051061
1052144352161507
1115684328438401
125a21b1204b117
1323132643cca18
14cc3b2b70a8cb
156065da998357
hex2f6ccd966ee3

52144352161507 has 8 divisors (see below), whose sum is σ = 52151347755936. Its totient is φ = 52137356897472.

The previous prime is 52144352161501. The next prime is 52144352161511. The reversal of 52144352161507 is 70516125344125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52144352161507 is a prime.

It is a super-2 number, since 2×521443521615072 (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 (52144352161501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515653183 + ... + 515754295.

It is an arithmetic number, because the mean of its divisors is an integer number (6518918469492).

Almost surely, 252144352161507 is an apocalyptic number.

52144352161507 is a deficient number, since it is larger than the sum of its proper divisors (6995594429).

52144352161507 is a wasteful number, since it uses less digits than its factorization.

52144352161507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165197.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 52144352161507 in words is "fifty-two trillion, one hundred forty-four billion, three hundred fifty-two million, one hundred sixty-one thousand, five hundred seven".

Divisors: 1 9437 54647 101113 515703739 954203381 5525522111 52144352161507