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19291091102 = 2291013319949
BaseRepresentation
bin10001111101110101…
…101011000010011110
31211210102120222001122
4101331311223002132
5304002004403402
612510123010542
71252023366053
oct217565530236
954712528048
1019291091102
1181aa3552a8
1238a4669a52
131a8586950a
14d100ad02a
1577d8d8ca2
hex47dd6b09e

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".

Divisors: 1 2 29 58 101 202 331 662 2929 5858 9599 9949 19198 19898 33431 66862 288521 577042 969499 1004849 1938998 2009698 3293119 6586238 29140621 58281242 95500451 191000902 332605019 665210038 9645545551 19291091102