Base | Representation |
---|---|
bin | 10001111101110101… |
… | …101011000010011110 |
3 | 1211210102120222001122 |
4 | 101331311223002132 |
5 | 304002004403402 |
6 | 12510123010542 |
7 | 1252023366053 |
oct | 217565530236 |
9 | 54712528048 |
10 | 19291091102 |
11 | 81aa3552a8 |
12 | 38a4669a52 |
13 | 1a8586950a |
14 | d100ad02a |
15 | 77d8d8ca2 |
hex | 47dd6b09e |
19291091102 has 32 divisors (see below), whose sum is σ = 30325212000. Its totient is φ = 9191952000.
The previous prime is 19291091101. The next prime is 19291091123. The reversal of 19291091102 is 20119019291.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19291091101) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1934024 + ... + 1943972.
It is an arithmetic number, because the mean of its divisors is an integer number (947662875).
Almost surely, 219291091102 is an apocalyptic number.
19291091102 is a deficient number, since it is larger than the sum of its proper divisors (11034120898).
19291091102 is a wasteful number, since it uses less digits than its factorization.
19291091102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10412.
The product of its (nonzero) digits is 2916, while the sum is 35.
The spelling of 19291091102 in words is "nineteen billion, two hundred ninety-one million, ninety-one thousand, one hundred two".
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