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71875403870 = 257187540387
BaseRepresentation
bin100001011110000011…
…0111010000001011110
320212112010020211100012
41002330012322001132
52134200100410440
653004043203222
75123065565264
oct1027406720136
9225463224305
1071875403870
1128533878826
1211b1ab16512
136a15b48a9a
14369bb1a434
151d0a0b0e65
hex10bc1ba05e

71875403870 has 8 divisors (see below), whose sum is σ = 129375726984. Its totient is φ = 28750161544.

The previous prime is 71875403783. The next prime is 71875403891. The reversal of 71875403870 is 7830457817.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×718754038702 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3593770184 + ... + 3593770203.

It is an arithmetic number, because the mean of its divisors is an integer number (16171965873).

Almost surely, 271875403870 is an apocalyptic number.

71875403870 is a deficient number, since it is larger than the sum of its proper divisors (57500323114).

71875403870 is a wasteful number, since it uses less digits than its factorization.

71875403870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7187540394.

The product of its (nonzero) digits is 1317120, while the sum is 50.

The spelling of 71875403870 in words is "seventy-one billion, eight hundred seventy-five million, four hundred three thousand, eight hundred seventy".

Divisors: 1 2 5 10 7187540387 14375080774 35937701935 71875403870