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52121646767161 = 383457297785231
BaseRepresentation
bin10111101100111100001000…
…01111011001110000111001
320211112210002011212011110201
423312132010033121300321
523312430113033022121
6302504204242442201
713656443665403056
oct1366360417316071
9224483064764421
1052121646767161
1115675736878594
125a19636063361
1323110863a023a
14cc29b5dca02d
15605c0c47de91
hex2f67843d9c39

52121646767161 has 8 divisors (see below), whose sum is σ = 52372084322304. Its totient is φ = 51871804784160.

The previous prime is 52121646767147. The next prime is 52121646767263. The reversal of 52121646767161 is 16176764612125.

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 52121646767161 - 211 = 52121646765113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52121646767111) 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, 148717585 + ... + 149067646.

It is an arithmetic number, because the mean of its divisors is an integer number (6546510540288).

Almost surely, 252121646767161 is an apocalyptic number.

It is an amenable number.

52121646767161 is a deficient number, since it is larger than the sum of its proper divisors (250437555143).

52121646767161 is a wasteful number, since it uses less digits than its factorization.

52121646767161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297786071.

The product of its digits is 5080320, while the sum is 55.

The spelling of 52121646767161 in words is "fifty-two trillion, one hundred twenty-one billion, six hundred forty-six million, seven hundred sixty-seven thousand, one hundred sixty-one".

Divisors: 1 383 457 175031 297785231 114051743473 136087850567 52121646767161