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190851360023 = 683279430981
BaseRepresentation
bin1011000110111110100…
…0001010010100010111
3200020121202111121202202
42301233220022110113
511111330422010043
6223401554555115
716534321536152
oct2615750122427
9606552447682
10190851360023
1173a37687615
1230ba3898a9b
1314cc6b2803c
149347056c99
154e701d61b8
hex2c6fa0a517

190851360023 has 4 divisors (see below), whose sum is σ = 191130791688. Its totient is φ = 190571928360.

The previous prime is 190851360019. The next prime is 190851360043. The reversal of 190851360023 is 320063158091.

It is a happy number.

190851360023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320063158091 = 1631963577657.

It is a cyclic number.

It is not a de Polignac number, because 190851360023 - 22 = 190851360019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190851360043) 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 3 ways as a sum of consecutive naturals, for example, 139714808 + ... + 139716173.

It is an arithmetic number, because the mean of its divisors is an integer number (47782697922).

Almost surely, 2190851360023 is an apocalyptic number.

190851360023 is a deficient number, since it is larger than the sum of its proper divisors (279431665).

190851360023 is an equidigital number, since it uses as much as digits as its factorization.

190851360023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279431664.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 190851360023 in words is "one hundred ninety billion, eight hundred fifty-one million, three hundred sixty thousand, twenty-three".

Divisors: 1 683 279430981 190851360023