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47451320007 = 37131271368617
BaseRepresentation
bin101100001100010100…
…011010111011000111
311112110222000210221120
4230030110122323013
51234140014220012
633444314245023
73266613364560
oct541424327307
9145428023846
1047451320007
1119140040053
129243426773
134622a27c60
14242204b167
15137ac5058c
hexb0c51aec7

47451320007 has 32 divisors (see below), whose sum is σ = 78482030592. Its totient is φ = 24832168704.

The previous prime is 47451320003. The next prime is 47451320039. The reversal of 47451320007 is 70002315474.

47451320007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47451320007 - 22 = 47451320003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47451320007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47451320003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 649638 + ... + 718979.

It is an arithmetic number, because the mean of its divisors is an integer number (2452563456).

Almost surely, 247451320007 is an apocalyptic number.

47451320007 is a deficient number, since it is larger than the sum of its proper divisors (31030710585).

47451320007 is a wasteful number, since it uses less digits than its factorization.

47451320007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368767.

The product of its (nonzero) digits is 23520, while the sum is 33.

The spelling of 47451320007 in words is "forty-seven billion, four hundred fifty-one million, three hundred twenty thousand, seven".

Divisors: 1 3 7 13 21 39 91 127 273 381 889 1651 2667 4953 11557 34671 1368617 4105851 9580319 17792021 28740957 53376063 124544147 173814359 373632441 521443077 1216700513 2259586667 3650101539 6778760001 15817106669 47451320007