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12115070112 = 253193653879
BaseRepresentation
bin10110100100001110…
…10100110010100000
31011021022122022212110
423102013110302200
5144302424220422
65322055555320
7606136253055
oct132207246240
934238568773
1012115070112
115157706542
12242138bb40
1311b0c53852
1482d01302c
154ad90060c
hex2d21d4ca0

12115070112 has 48 divisors (see below), whose sum is σ = 31966885440. Its totient is φ = 4017426432.

The previous prime is 12115070059. The next prime is 12115070119. The reversal of 12115070112 is 21107051121.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (12115070119) 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, 308412 + ... + 345467.

It is an arithmetic number, because the mean of its divisors is an integer number (665976780).

Almost surely, 212115070112 is an apocalyptic number.

12115070112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12115070112 is an abundant number, since it is smaller than the sum of its proper divisors (19851815328).

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

12115070112 is a wasteful number, since it uses less digits than its factorization.

12115070112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654085 (or 654077 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 21.

The spelling of 12115070112 in words is "twelve billion, one hundred fifteen million, seventy thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 193 386 579 772 1158 1544 2316 3088 4632 6176 9264 18528 653879 1307758 1961637 2615516 3923274 5231032 7846548 10462064 15693096 20924128 31386192 62772384 126198647 252397294 378595941 504794588 757191882 1009589176 1514383764 2019178352 3028767528 4038356704 6057535056 12115070112