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71832946131 = 3278291019471
BaseRepresentation
bin100001011100110010…
…0111100010111010011
320212102011100202021100
41002321210330113103
52134103213234011
652555525155443
75122041652632
oct1027144742723
9225364322240
1071832946131
1128511909691
1211b0885bb83
136a0a10166b
143696227519
151d064c5d56
hex10b993c5d3

71832946131 has 12 divisors (see below), whose sum is σ = 103772054880. Its totient is φ = 47882466960.

The previous prime is 71832946127. The next prime is 71832946187. The reversal of 71832946131 is 13164923817.

71832946131 is a `hidden beast` number, since 7 + 1 + 8 + 3 + 29 + 4 + 613 + 1 = 666.

It is not a de Polignac number, because 71832946131 - 22 = 71832946127 is a prime.

It is a super-2 number, since 2×718329461312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71832946831) 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 11 ways as a sum of consecutive naturals, for example, 439275 + ... + 580196.

It is an arithmetic number, because the mean of its divisors is an integer number (8647671240).

Almost surely, 271832946131 is an apocalyptic number.

71832946131 is a deficient number, since it is larger than the sum of its proper divisors (31939108749).

71832946131 is a wasteful number, since it uses less digits than its factorization.

71832946131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027306 (or 1027303 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The spelling of 71832946131 in words is "seventy-one billion, eight hundred thirty-two million, nine hundred forty-six thousand, one hundred thirty-one".

Divisors: 1 3 9 7829 23487 70461 1019471 3058413 9175239 7981438459 23944315377 71832946131