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105384364890 = 23574611088569
BaseRepresentation
bin110001000100101100…
…1011100101101011010
3101002000102021102022120
41202021121130231122
53211311344134030
6120225104402110
710420344215220
oct1421131345532
9332012242276
10105384364890
11407697aa142
1218511016336
139c2619717c
14515a1b6b10
152b1bcb7010
hex188965cb5a

105384364890 has 64 divisors (see below), whose sum is σ = 289681539840. Its totient is φ = 24035581440.

The previous prime is 105384364831. The next prime is 105384364973. The reversal of 105384364890 is 98463483501.

It is a super-2 number, since 2×1053843648902 (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 31 ways as a sum of consecutive naturals, for example, 447475 + ... + 641094.

It is an arithmetic number, because the mean of its divisors is an integer number (4526274060).

Almost surely, 2105384364890 is an apocalyptic number.

105384364890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105384364890 is an abundant number, since it is smaller than the sum of its proper divisors (184297174950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105384364890 is a wasteful number, since it uses less digits than its factorization.

105384364890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089047.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 105384364890 in words is "one hundred five billion, three hundred eighty-four million, three hundred sixty-four thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 461 922 1383 2305 2766 3227 4610 6454 6915 9681 13830 16135 19362 32270 48405 96810 1088569 2177138 3265707 5442845 6531414 7619983 10885690 15239966 16328535 22859949 32657070 38099915 45719898 76199830 114299745 228599490 501830309 1003660618 1505490927 2509151545 3010981854 3512812163 5018303090 7025624326 7527454635 10538436489 15054909270 17564060815 21076872978 35128121630 52692182445 105384364890