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3100013112 = 233789207331
BaseRepresentation
bin1011100011000110…
…0111001000111000
322000001012222112110
42320301213020320
522322100404422
61231340012320
7136551451050
oct27061471070
98001188473
103100013112
111350970809
127262310a0
133a5330cb1
142159dc560
1513224c60c
hexb8c67238

3100013112 has 64 divisors (see below), whose sum is σ = 8956742400. Its totient is φ = 875761920.

The previous prime is 3100013101. The next prime is 3100013131. The reversal of 3100013112 is 2113100013.

It is a super-2 number, since 2×31000131122 = 19220162589143849088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 88714 + ... + 118617.

It is an arithmetic number, because the mean of its divisors is an integer number (139949100).

Almost surely, 23100013112 is an apocalyptic number.

It is an amenable number.

3100013112 is an abundant number, since it is smaller than the sum of its proper divisors (5856729288).

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

3100013112 is a wasteful number, since it uses less digits than its factorization.

3100013112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207436 (or 207432 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 3100013112 is about 55677.7613774117. The cubic root of 3100013112 is about 1458.1017915877.

Adding to 3100013112 its reverse (2113100013), we get a palindrome (5213113125).

The spelling of 3100013112 in words is "three billion, one hundred million, thirteen thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 89 168 178 267 356 534 623 712 1068 1246 1869 2136 2492 3738 4984 7476 14952 207331 414662 621993 829324 1243986 1451317 1658648 2487972 2902634 4353951 4975944 5805268 8707902 11610536 17415804 18452459 34831608 36904918 55357377 73809836 110714754 129167213 147619672 221429508 258334426 387501639 442859016 516668852 775003278 1033337704 1550006556 3100013112