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71136137150 = 25213109440211
BaseRepresentation
bin100001001000000001…
…0110100111110111110
320210121121012012001022
41002100002310332332
52131141322342100
652402434144142
75065551121601
oct1022002647676
9223547165038
1071136137150
11281945497a1
1211953422052
13692893b860
14362b880338
151cb5233e85
hex10900b4fbe

71136137150 has 24 divisors (see below), whose sum is σ = 142491156024. Its totient is φ = 26265650400.

The previous prime is 71136137117. The next prime is 71136137159. The reversal of 71136137150 is 5173163117.

It is a super-2 number, since 2×711361371502 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 71136137150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71136137159) 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 11 ways as a sum of consecutive naturals, for example, 54719456 + ... + 54720755.

It is an arithmetic number, because the mean of its divisors is an integer number (5937131501).

Almost surely, 271136137150 is an apocalyptic number.

71136137150 is an abundant number, since it is smaller than the sum of its proper divisors (71355018874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71136137150 is a wasteful number, since it uses less digits than its factorization.

71136137150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109440236 (or 109440231 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 35.

The spelling of 71136137150 in words is "seventy-one billion, one hundred thirty-six million, one hundred thirty-seven thousand, one hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 109440211 218880422 547201055 1094402110 1422722743 2736005275 2845445486 5472010550 7113613715 14227227430 35568068575 71136137150