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135668930 = 25197189113
BaseRepresentation
bin10000001011000…
…10010011000010
3100110021200210012
420011202103002
5234212401210
621243504522
73235111145
oct1005422302
9313250705
10135668930
116a644091
1239528142
1322151b97
141403805c
15bd9d305
hex81624c2

135668930 has 64 divisors (see below), whose sum is σ = 265939200. Its totient is φ = 49674240.

The previous prime is 135668917. The next prime is 135668977. The reversal of 135668930 is 39866531.

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, 1200554 + ... + 1200666.

It is an arithmetic number, because the mean of its divisors is an integer number (4155300).

Almost surely, 2135668930 is an apocalyptic number.

135668930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135668930 is a deficient number, since it is larger than the sum of its proper divisors (130270270).

135668930 is a wasteful number, since it uses less digits than its factorization.

135668930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 135668930 is about 11647.7006314551. The cubic root of 135668930 is about 513.8386877909.

The spelling of 135668930 in words is "one hundred thirty-five million, six hundred sixty-eight thousand, nine hundred thirty".

Divisors: 1 2 5 10 19 38 71 89 95 113 142 178 190 226 355 445 565 710 890 1130 1349 1691 2147 2698 3382 4294 6319 6745 8023 8455 10057 10735 12638 13490 16046 16910 20114 21470 31595 40115 50285 63190 80230 100570 120061 152437 191083 240122 304874 382166 600305 714047 762185 955415 1200610 1428094 1524370 1910830 3570235 7140470 13566893 27133786 67834465 135668930