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137001312 = 2532767957
BaseRepresentation
bin10000010101001…
…11100101100000
3100112210101110200
420022213211200
5240033020222
621332225200
73252330510
oct1012474540
9315711420
10137001312
1170374128
1239a6b200
13224ca486
14142a3840
15c062eac
hex82a7960

137001312 has 72 divisors (see below), whose sum is σ = 445260816. Its totient is φ = 39142656.

The previous prime is 137001301. The next prime is 137001323. The reversal of 137001312 is 213100731.

It is an interprime number because it is at equal distance from previous prime (137001301) and next prime (137001323).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31963 + ... + 35994.

It is an arithmetic number, because the mean of its divisors is an integer number (6184178).

Almost surely, 2137001312 is an apocalyptic number.

137001312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137001312 is an abundant number, since it is smaller than the sum of its proper divisors (308259504).

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

137001312 is a wasteful number, since it uses less digits than its factorization.

137001312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67980 (or 67969 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 137001312 is about 11704.7559564478. The cubic root of 137001312 is about 515.5153191723.

The spelling of 137001312 in words is "one hundred thirty-seven million, one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 96 112 126 144 168 224 252 288 336 504 672 1008 2016 67957 135914 203871 271828 407742 475699 543656 611613 815484 951398 1087312 1223226 1427097 1630968 1902796 2174624 2446452 2854194 3261936 3805592 4281291 4892904 5708388 6523872 7611184 8562582 9785808 11416776 15222368 17125164 19571616 22833552 34250328 45667104 68500656 137001312