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52121041255201 = 232266132228487
BaseRepresentation
bin10111101100111011000000…
…01001100011101100100001
320211112201111222110222012211
423312131200021203230201
523312422343030131301
6302504024212322121
713656422663546062
oct1366354011435441
9224481458428184
1052121041255201
1115675455aa5486
125a194a7313341
132310cbaac4839
14cc295980a569
15605bc4223051
hex2f6760263b21

52121041255201 has 4 divisors (see below), whose sum is σ = 54387173483712. Its totient is φ = 49854909026692.

The previous prime is 52121041255193. The next prime is 52121041255211. The reversal of 52121041255201 is 10255214012125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52121041255201 - 23 = 52121041255193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52121041255211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1133066114221 + ... + 1133066114266.

It is an arithmetic number, because the mean of its divisors is an integer number (13596793370928).

Almost surely, 252121041255201 is an apocalyptic number.

It is an amenable number.

52121041255201 is a deficient number, since it is larger than the sum of its proper divisors (2266132228511).

52121041255201 is a wasteful number, since it uses less digits than its factorization.

52121041255201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266132228510.

The product of its (nonzero) digits is 8000, while the sum is 31.

Adding to 52121041255201 its reverse (10255214012125), we get a palindrome (62376255267326).

The spelling of 52121041255201 in words is "fifty-two trillion, one hundred twenty-one billion, forty-one million, two hundred fifty-five thousand, two hundred one".

Divisors: 1 23 2266132228487 52121041255201