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75939047474 = 268113557449
BaseRepresentation
bin100011010111001010…
…0011110100000110010
321021000022201022101212
41012232110132200302
52221010344004344
654515205200122
75325561152603
oct1065624364062
9237008638355
1075939047474
112a229681374
1212873a00042
1372129c1a24
1439656b9daa
151e96c0879e
hex11ae51e832

75939047474 has 8 divisors (see below), whose sum is σ = 113910447900. Its totient is φ = 37968898176.

The previous prime is 75939047423. The next prime is 75939047477. The reversal of 75939047474 is 47474093957.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 75748800625 + 190246849 = 275225^2 + 13793^2 .

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

It is not an unprimeable number, because it can be changed into a prime (75939047477) 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 3 ways as a sum of consecutive naturals, for example, 142499 + ... + 414950.

Almost surely, 275939047474 is an apocalyptic number.

75939047474 is a deficient number, since it is larger than the sum of its proper divisors (37971400426).

75939047474 is a wasteful number, since it uses less digits than its factorization.

75939047474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625564.

The product of its (nonzero) digits is 26671680, while the sum is 59.

The spelling of 75939047474 in words is "seventy-five billion, nine hundred thirty-nine million, forty-seven thousand, four hundred seventy-four".

Divisors: 1 2 68113 136226 557449 1114898 37969523737 75939047474