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3211432042457 = 19116813780327
BaseRepresentation
bin101110101110111000010…
…001000001111111011001
3102101000021012221220000102
4232232320101001333121
5410104003100324312
610455151141545145
7451006164651662
oct56567021017731
912330235856012
103211432042457
111028a62736651
1243a4921151b5
131a3ab5426832
14b16113d0369
155880b649ec2
hex2ebb8441fd9

3211432042457 has 4 divisors (see below), whose sum is σ = 3228245822976. Its totient is φ = 3194618261940.

The previous prime is 3211432042421. The next prime is 3211432042471. The reversal of 3211432042457 is 7542402341123.

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 3211432042457 - 218 = 3211431780313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3211432042457.

It is not an unprimeable number, because it can be changed into a prime (3211432042487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8406889973 + ... + 8406890354.

It is an arithmetic number, because the mean of its divisors is an integer number (807061455744).

Almost surely, 23211432042457 is an apocalyptic number.

It is an amenable number.

3211432042457 is a deficient number, since it is larger than the sum of its proper divisors (16813780519).

3211432042457 is a wasteful number, since it uses less digits than its factorization.

3211432042457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16813780518.

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 3211432042457 in words is "three trillion, two hundred eleven billion, four hundred thirty-two million, forty-two thousand, four hundred fifty-seven".

Divisors: 1 191 16813780327 3211432042457