Base | Representation |
---|---|
bin | 110000000011011110… |
… | …1000110110100101011 |
3 | 100212100220021201221010 |
4 | 1200012331012310223 |
5 | 3142321122202011 |
6 | 115224010115003 |
7 | 10312201436565 |
oct | 1400675066453 |
9 | 325326251833 |
10 | 103195897131 |
11 | 3a8464369a8 |
12 | 1800011ba63 |
13 | 9967972932 |
14 | 4dcd69c335 |
15 | 2a3eac71a6 |
hex | 1806f46d2b |
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".
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