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18031373108330 = 2516354312036861
BaseRepresentation
bin1000001100110010000011…
…00101101100010001101010
32100211210010101122200120212
410012121001211230101222
54330411223003431310
6102203255355421122
73540503143363631
oct406310145542152
970753111580525
1018031373108330
11582207605195a
1220327264547a2
13a0a474738cba
14464a1a328518
15214086314205
hex10664196c46a

18031373108330 has 32 divisors (see below), whose sum is σ = 32661619901568. Its totient is φ = 7166977070400.

The previous prime is 18031373108323. The next prime is 18031373108347. The reversal of 18031373108330 is 3380137313081.

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, 7834100 + ... + 9870960.

It is an arithmetic number, because the mean of its divisors is an integer number (1020675621924).

Almost surely, 218031373108330 is an apocalyptic number.

18031373108330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18031373108330 is a deficient number, since it is larger than the sum of its proper divisors (14630246793238).

18031373108330 is a wasteful number, since it uses less digits than its factorization.

18031373108330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042462.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 18031373108330 in words is "eighteen trillion, thirty-one billion, three hundred seventy-three million, one hundred eight thousand, three hundred thirty".

Divisors: 1 2 5 10 163 326 815 1630 5431 10862 27155 54310 885253 1770506 2036861 4073722 4426265 8852530 10184305 20368610 332008343 664016686 1660041715 3320083430 11062192091 22124384182 55310960455 110621920910 1803137310833 3606274621666 9015686554165 18031373108330