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47211957013 = 1313926339923
BaseRepresentation
bin101011111110000011…
…010100101100010101
311111212021121220122111
4223332003110230111
51233142230111023
633404444031021
73260646004354
oct537603245425
9144767556574
1047211957013
1119027a120a1
129197232471
1345b526b050
1423dc33d99b
151364c1d00d
hexafe0d4b15

47211957013 has 16 divisors (see below), whose sum is σ = 51234039360. Its totient is φ = 43245949824.

The previous prime is 47211957007. The next prime is 47211957029. The reversal of 47211957013 is 31075911274.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 47211957013 - 221 = 47209859861 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 (47211957083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4752870 + ... + 4762792.

It is an arithmetic number, because the mean of its divisors is an integer number (3202127460).

Almost surely, 247211957013 is an apocalyptic number.

It is an amenable number.

47211957013 is a deficient number, since it is larger than the sum of its proper divisors (4022082347).

47211957013 is a wasteful number, since it uses less digits than its factorization.

47211957013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12708.

The product of its (nonzero) digits is 52920, while the sum is 40.

The spelling of 47211957013 in words is "forty-seven billion, two hundred eleven million, nine hundred fifty-seven thousand, thirteen".

Divisors: 1 13 139 1807 2633 9923 34229 128999 365987 1379297 4757831 17930861 26127259 339654367 3631689001 47211957013