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51471770666434 = 2220711661026431
BaseRepresentation
bin10111011010000001101001…
…00110110100010111000010
320202020122122012022200012121
423231000310212310113002
523221303141242311214
6301245445514314454
713561466313603466
oct1355006446642702
9222218565280177
1051471770666434
1115445067747338
1259336a7a28a2a
1322949c85639c1
14c9d365a684a6
155e3d73a92424
hex2ed0349b45c2

51471770666434 has 8 divisors (see below), whose sum is σ = 77242639085568. Its totient is φ = 25724224304580.

The previous prime is 51471770666431. The next prime is 51471770666443. The reversal of 51471770666434 is 43466607717415.

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

It is not an unprimeable number, because it can be changed into a prime (51471770666431) 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, 5830508802 + ... + 5830517629.

It is an arithmetic number, because the mean of its divisors is an integer number (9655329885696).

Almost surely, 251471770666434 is an apocalyptic number.

51471770666434 is a deficient number, since it is larger than the sum of its proper divisors (25770868419134).

51471770666434 is a wasteful number, since it uses less digits than its factorization.

51471770666434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11661028640.

The product of its (nonzero) digits is 71124480, while the sum is 61.

The spelling of 51471770666434 in words is "fifty-one trillion, four hundred seventy-one billion, seven hundred seventy million, six hundred sixty-six thousand, four hundred thirty-four".

Divisors: 1 2 2207 4414 11661026431 23322052862 25735885333217 51471770666434