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108194891810 = 25193019188621
BaseRepresentation
bin110010011000011101…
…0110000100000100010
3101100021021202222110012
41210300322300200202
53233040343014220
6121412024004522
710550112256235
oct1446072604042
9340237688405
10108194891810
1141981217665
1218b76300742
13a28353ba55
14534557b41c
152c338d0ac5
hex1930eb0822

108194891810 has 32 divisors (see below), whose sum is σ = 205069838400. Its totient is φ = 40986371520.

The previous prime is 108194891797. The next prime is 108194891821. The reversal of 108194891810 is 18198491801.

108194891810 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1081948918102 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479300 + ... + 667920.

It is an arithmetic number, because the mean of its divisors is an integer number (6408432450).

Almost surely, 2108194891810 is an apocalyptic number.

108194891810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108194891810 is a deficient number, since it is larger than the sum of its proper divisors (96874946590).

108194891810 is a wasteful number, since it uses less digits than its factorization.

108194891810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191666.

The product of its (nonzero) digits is 165888, while the sum is 50.

The spelling of 108194891810 in words is "one hundred eight billion, one hundred ninety-four million, eight hundred ninety-one thousand, eight hundred ten".

Divisors: 1 2 5 10 19 38 95 190 3019 6038 15095 30190 57361 114722 188621 286805 377242 573610 943105 1886210 3583799 7167598 17918995 35837990 569446799 1138893598 2847233995 5694467990 10819489181 21638978362 54097445905 108194891810