Search a number
-
+
92428197979 = 137109861383
BaseRepresentation
bin101011000010100100…
…1100110000001011011
322211120110221221112211
41112011021212001123
53003243104313404
6110243321015551
76451312501645
oct1260511460133
9284513857484
1092428197979
1136220343187
1215ab60245b7
13893cc01910
14468b5bb895
15260e622b04
hex158526605b

92428197979 has 4 divisors (see below), whose sum is σ = 99538059376. Its totient is φ = 85318336584.

The previous prime is 92428197977. The next prime is 92428198003. The reversal of 92428197979 is 97979182429.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 92428197979 - 21 = 92428197977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (92428197977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3554930679 + ... + 3554930704.

It is an arithmetic number, because the mean of its divisors is an integer number (24884514844).

Almost surely, 292428197979 is an apocalyptic number.

92428197979 is a deficient number, since it is larger than the sum of its proper divisors (7109861397).

92428197979 is a wasteful number, since it uses less digits than its factorization.

92428197979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7109861396.

The product of its digits is 41150592, while the sum is 67.

The spelling of 92428197979 in words is "ninety-two billion, four hundred twenty-eight million, one hundred ninety-seven thousand, nine hundred seventy-nine".

Divisors: 1 13 7109861383 92428197979