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108205153290 = 23451310275893
BaseRepresentation
bin110010011000110000…
…1111001110000001010
3101100022000002022120000
41210301201321300022
53233101004401130
6121413031543430
710550265425133
oct1446141716012
9340260068500
10108205153290
1141986a96223
1218b7982ab76
13a2856c2630
145346a8cc8a
152c3475b260
hex1931879c0a

108205153290 has 80 divisors (see below), whose sum is σ = 313332559848. Its totient is φ = 26635112064.

The previous prime is 108205153279. The next prime is 108205153319. The reversal of 108205153290 is 92351502801.

108205153290 is a `hidden beast` number, since 1 + 0 + 8 + 20 + 515 + 32 + 90 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 65990930769 + 42214222521 = 256887^2 + 205461^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5127417 + ... + 5148476.

Almost surely, 2108205153290 is an apocalyptic number.

108205153290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108205153290 is an abundant number, since it is smaller than the sum of its proper divisors (205127406558).

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

108205153290 is a wasteful number, since it uses less digits than its factorization.

108205153290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10275925 (or 10275916 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 108205153290 in words is "one hundred eight billion, two hundred five million, one hundred fifty-three thousand, two hundred ninety".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 81 90 117 130 135 162 195 234 270 351 390 405 585 702 810 1053 1170 1755 2106 3510 5265 10530 10275893 20551786 30827679 51379465 61655358 92483037 102758930 133586609 154138395 184966074 267173218 277449111 308276790 400759827 462415185 554898222 667933045 801519654 832347333 924830370 1202279481 1335866090 1387245555 1664694666 2003799135 2404558962 2774491110 3606838443 4007598270 4161736665 6011397405 7213676886 8323473330 10820515329 12022794810 18034192215 21641030658 36068384430 54102576645 108205153290