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75680025291 = 3213646837823
BaseRepresentation
bin100011001111011100…
…0011000101011001011
321020100021022121202200
41012132320120223023
52214443041302131
654433353331243
75316264413103
oct1063670305313
9236307277680
1075680025291
112a106446152
1212801106b23
1371a1140870
14393d132203
151e7e0e12e6
hex119ee18acb

75680025291 has 12 divisors (see below), whose sum is σ = 117724483968. Its totient is φ = 46572323184.

The previous prime is 75680025283. The next prime is 75680025299. The reversal of 75680025291 is 19252008657.

It is an interprime number because it is at equal distance from previous prime (75680025283) and next prime (75680025299).

It is not a de Polignac number, because 75680025291 - 23 = 75680025283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75680025299) 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, 323418795 + ... + 323419028.

It is an arithmetic number, because the mean of its divisors is an integer number (9810373664).

Almost surely, 275680025291 is an apocalyptic number.

75680025291 is a deficient number, since it is larger than the sum of its proper divisors (42044458677).

75680025291 is a wasteful number, since it uses less digits than its factorization.

75680025291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646837842 (or 646837839 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 75680025291 in words is "seventy-five billion, six hundred eighty million, twenty-five thousand, two hundred ninety-one".

Divisors: 1 3 9 13 39 117 646837823 1940513469 5821540407 8408891699 25226675097 75680025291