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52121667608311 = 77994252563487
BaseRepresentation
bin10111101100111100001010…
…11110111001111011110111
320211112210010122002000011011
423312132011132321323313
523312430133401431221
6302504210305253051
713656444340504330
oct1366360536717367
9224483118060134
1052121667608311
1115675747612884
125a19641034187
13231108a7b9492
14cc29b8a93287
15605c0e1e91e1
hex2f67857b9ef7

52121667608311 has 8 divisors (see below), whose sum is σ = 60321640632320. Its totient is φ = 44110199711448.

The previous prime is 52121667608273. The next prime is 52121667608383. The reversal of 52121667608311 is 11380676612125.

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

It is a cyclic number.

It is not a de Polignac number, because 52121667608311 - 29 = 52121667607799 is a prime.

It is a super-2 number, since 2×521216676083112 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52121667606311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47126281191 + ... + 47126282296.

It is an arithmetic number, because the mean of its divisors is an integer number (7540205079040).

Almost surely, 252121667608311 is an apocalyptic number.

52121667608311 is a deficient number, since it is larger than the sum of its proper divisors (8199973024009).

52121667608311 is an equidigital number, since it uses as much as digits as its factorization.

52121667608311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94252563573.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 52121667608311 in words is "fifty-two trillion, one hundred twenty-one billion, six hundred sixty-seven million, six hundred eight thousand, three hundred eleven".

Divisors: 1 7 79 553 94252563487 659767944409 7445952515473 52121667608311