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71137307037 = 323712435679
BaseRepresentation
bin100001001000000011…
…1010010100110011101
320210121200101121211110
41002100013102212131
52131142122311122
652402515212233
75065564063416
oct1022007224635
9223550347743
1071137307037
1128195178745
12119538a7079
136928c5b1b4
14362baa680d
151cb53b590c
hex10901d299d

71137307037 has 4 divisors (see below), whose sum is σ = 94849742720. Its totient is φ = 47424871356.

The previous prime is 71137306997. The next prime is 71137307057. The reversal of 71137307037 is 73070373117.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 71137307037 - 216 = 71137241501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71137306986 and 71137307004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71137307057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11856217837 + ... + 11856217842.

It is an arithmetic number, because the mean of its divisors is an integer number (23712435680).

Almost surely, 271137307037 is an apocalyptic number.

It is an amenable number.

71137307037 is a deficient number, since it is larger than the sum of its proper divisors (23712435683).

71137307037 is a wasteful number, since it uses less digits than its factorization.

71137307037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23712435682.

The product of its (nonzero) digits is 64827, while the sum is 39.

The spelling of 71137307037 in words is "seventy-one billion, one hundred thirty-seven million, three hundred seven thousand, thirty-seven".

Divisors: 1 3 23712435679 71137307037