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19320142623 = 3231171923893
BaseRepresentation
bin10001111111100100…
…011111101100011111
31211212110020221020220
4101333210133230133
5304031424030443
612513041412423
71252525334265
oct217744375437
954773227226
1019320142623
118214798121
1238b233a113
131a8b89b872
14d13cb2435
15781226a83
hex47f91fb1f

19320142623 has 16 divisors (see below), whose sum is σ = 26883617280. Its totient is φ = 12318524064.

The previous prime is 19320142619. The next prime is 19320142637. The reversal of 19320142623 is 32624102391.

It is not a de Polignac number, because 19320142623 - 22 = 19320142619 is a prime.

It is a super-2 number, since 2×193201426232 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19320142123) 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 15 ways as a sum of consecutive naturals, for example, 796665 + ... + 820557.

It is an arithmetic number, because the mean of its divisors is an integer number (1680226080).

Almost surely, 219320142623 is an apocalyptic number.

19320142623 is a deficient number, since it is larger than the sum of its proper divisors (7563474657).

19320142623 is a wasteful number, since it uses less digits than its factorization.

19320142623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35638.

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 19320142623 in words is "nineteen billion, three hundred twenty million, one hundred forty-two thousand, six hundred twenty-three".

Divisors: 1 3 23 69 11719 23893 35157 71679 269537 549539 808611 1648617 280002067 840006201 6440047541 19320142623