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151031112 = 2336319973
BaseRepresentation
bin10010000000010…
…00110101001000
3101112012011201220
421000020311020
5302130443422
622553042040
73512512641
oct1100106510
9345164656
10151031112
1178286a01
12426b6320
13253a032b
14160b66c8
15d3d4e5c
hex9008d48

151031112 has 32 divisors (see below), whose sum is σ = 378214080. Its totient is φ = 50258880.

The previous prime is 151031099. The next prime is 151031117. The reversal of 151031112 is 211130151.

It is a junction number, because it is equal to n+sod(n) for n = 151031091 and 151031100.

It is not an unprimeable number, because it can be changed into a prime (151031117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10158 + ... + 20130.

It is an arithmetic number, because the mean of its divisors is an integer number (11819190).

Almost surely, 2151031112 is an apocalyptic number.

151031112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151031112 is an abundant number, since it is smaller than the sum of its proper divisors (227182968).

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

151031112 is a wasteful number, since it uses less digits than its factorization.

151031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10613 (or 10609 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 151031112 is about 12289.4715915698. The cubic root of 151031112 is about 532.5439722113.

Adding to 151031112 its reverse (211130151), we get a palindrome (362161263).

The spelling of 151031112 in words is "one hundred fifty-one million, thirty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 631 1262 1893 2524 3786 5048 7572 9973 15144 19946 29919 39892 59838 79784 119676 239352 6292963 12585926 18878889 25171852 37757778 50343704 75515556 151031112