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2131914403 = 9713721171
BaseRepresentation
bin111111100010010…
…0110111010100011
312111120120110202201
41333010212322203
513331232230103
6551314154031
7103554654613
oct17704467243
95446513681
102131914403
119a4456933
124b5b82917
1327c8b3318
141631d6a43
15c726d51d
hex7f126ea3

2131914403 has 12 divisors (see below), whose sum is σ = 2171582392. Its totient is φ = 2092746240.

The previous prime is 2131914401. The next prime is 2131914431. The reversal of 2131914403 is 3044191312.

It is not a de Polignac number, because 2131914403 - 21 = 2131914401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131914401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1820008 + ... + 1821178.

Almost surely, 22131914403 is an apocalyptic number.

2131914403 is a deficient number, since it is larger than the sum of its proper divisors (39667989).

2131914403 is an equidigital number, since it uses as much as digits as its factorization.

2131914403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2131914403 is about 46172.6586087481. The cubic root of 2131914403 is about 1287.0337073871.

The spelling of 2131914403 in words is "two billion, one hundred thirty-one million, nine hundred fourteen thousand, four hundred three".

Divisors: 1 97 137 1171 13289 18769 113587 160427 1820593 15561419 21978499 2131914403