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103195897131 = 3263379433797
BaseRepresentation
bin110000000011011110…
…1000110110100101011
3100212100220021201221010
41200012331012310223
53142321122202011
6115224010115003
710312201436565
oct1400675066453
9325326251833
10103195897131
113a8464369a8
121800011ba63
139967972932
144dcd69c335
152a3eac71a6
hex1806f46d2b

103195897131 has 32 divisors (see below), whose sum is σ = 138976104960. Its totient is φ = 68111414784.

The previous prime is 103195897121. The next prime is 103195897153. The reversal of 103195897131 is 131798591301.

It is not a de Polignac number, because 103195897131 - 25 = 103195897099 is a prime.

It is a super-2 number, since 2×1031958971312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103195897121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129480025 + ... + 129480821.

It is an arithmetic number, because the mean of its divisors is an integer number (4343003280).

Almost surely, 2103195897131 is an apocalyptic number.

103195897131 is a deficient number, since it is larger than the sum of its proper divisors (35780207829).

103195897131 is a wasteful number, since it uses less digits than its factorization.

103195897131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875.

The product of its (nonzero) digits is 204120, while the sum is 48.

The spelling of 103195897131 in words is "one hundred three billion, one hundred ninety-five million, eight hundred ninety-seven thousand, one hundred thirty-one".

Divisors: 1 3 263 379 433 789 797 1137 1299 2391 99677 113879 164107 209611 299031 302063 341637 345101 492321 628833 906189 1035303 43160141 79442569 90761563 129480423 130793279 238327707 272284689 392379837 34398632377 103195897131