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672272103761 = 1661940452019
BaseRepresentation
bin10011100100001101000…
…10100011100101010001
32101021020210120022202222
421302012202203211101
542003303124310021
61232500524150425
766366346411616
oct11620642434521
92337223508688
10672272103761
1123a122092875
12aa35a698415
134b519a3074b
142477694650d
1512749b8e6ab
hex9c868a3951

672272103761 has 4 divisors (see below), whose sum is σ = 672312572400. Its totient is φ = 672231635124.

The previous prime is 672272103733. The next prime is 672272103823. The reversal of 672272103761 is 167301272276.

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 a cyclic number.

It is not a de Polignac number, because 672272103761 - 210 = 672272102737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672272103961) 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, 20209391 + ... + 20242628.

It is an arithmetic number, because the mean of its divisors is an integer number (168078143100).

Almost surely, 2672272103761 is an apocalyptic number.

It is an amenable number.

672272103761 is a deficient number, since it is larger than the sum of its proper divisors (40468639).

672272103761 is a wasteful number, since it uses less digits than its factorization.

672272103761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40468638.

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 672272103761 in words is "six hundred seventy-two billion, two hundred seventy-two million, one hundred three thousand, seven hundred sixty-one".

Divisors: 1 16619 40452019 672272103761