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47451093893 = 7292297871297
BaseRepresentation
bin101100001100010011…
…100011101110000101
311112110221121022202222
4230030103203232011
51234134440001033
633444305342125
73266611433420
oct541423435605
9145427538688
1047451093893
111913a9a6185
129243337945
134622979068
142421dcc9b7
15137ac08598
hexb0c4e3b85

47451093893 has 32 divisors (see below), whose sum is σ = 56459884800. Its totient is φ = 39018599424.

The previous prime is 47451093881. The next prime is 47451093901. The reversal of 47451093893 is 39839015474.

It is not a de Polignac number, because 47451093893 - 28 = 47451093637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47451093863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36584621 + ... + 36585917.

It is an arithmetic number, because the mean of its divisors is an integer number (1764371400).

Almost surely, 247451093893 is an apocalyptic number.

It is an amenable number.

47451093893 is a deficient number, since it is larger than the sum of its proper divisors (9008790907).

47451093893 is a wasteful number, since it uses less digits than its factorization.

47451093893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 47451093893 in words is "forty-seven billion, four hundred fifty-one million, ninety-three thousand, eight hundred ninety-three".

Divisors: 1 7 29 203 229 787 1297 1603 5509 6641 9079 22823 37613 46487 159761 180223 263291 297013 1020739 1261561 2079091 5226467 7145173 8613377 29601431 36585269 60293639 207210017 233749231 1636244617 6778727699 47451093893