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1900311413 = 711213172583
BaseRepresentation
bin111000101000100…
…0111001101110101
311220102202211012012
41301101013031311
512342434431123
6512322134005
765043244340
oct16121071565
94812684165
101900311413
11895749100
124504b1305
13243912530
14140549457
15b1c70378
hex71447375

1900311413 has 24 divisors (see below), whose sum is σ = 2570811264. Its totient is φ = 1366849440.

The previous prime is 1900311409. The next prime is 1900311431. The reversal of 1900311413 is 3141130091.

It is not a de Polignac number, because 1900311413 - 22 = 1900311409 is a prime.

It is a super-2 number, since 2×19003114132 = 7222366932756113138, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1900311403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75281 + ... + 97302.

It is an arithmetic number, because the mean of its divisors is an integer number (107117136).

Almost surely, 21900311413 is an apocalyptic number.

1900311413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1900311413 is a deficient number, since it is larger than the sum of its proper divisors (670499851).

1900311413 is a wasteful number, since it uses less digits than its factorization.

1900311413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172625 (or 172614 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1900311413 is about 43592.5614411450. The cubic root of 1900311413 is about 1238.6299933741.

It can be divided in two parts, 1900 and 311413, that added together give a palindrome (313313).

The spelling of 1900311413 in words is "one billion, nine hundred million, three hundred eleven thousand, four hundred thirteen".

Divisors: 1 7 11 13 77 91 121 143 847 1001 1573 11011 172583 1208081 1898413 2243579 13288891 15705053 20882543 24679369 146177801 172755583 271473059 1900311413