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12942246912 = 210372127677
BaseRepresentation
bin11000000110110101…
…10000010000000000
31020101222010021010020
430003122300100000
5203001203400122
65540125133440
7635502166200
oct140332602000
936358107106
1012942246912
115541619731
1226123ba280
1312b343068a
148aac14400
1550b344c5c
hex3036b0400

12942246912 has 264 divisors, whose sum is σ = 40503481344. Its totient is φ = 3663249408.

The previous prime is 12942246907. The next prime is 12942246923. The reversal of 12942246912 is 21964224921.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19116718 + ... + 19117394.

Almost surely, 212942246912 is an apocalyptic number.

12942246912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12942246912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20251740672).

12942246912 is an abundant number, since it is smaller than the sum of its proper divisors (27561234432).

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

12942246912 is a wasteful number, since it uses less digits than its factorization.

12942246912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 816 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The spelling of 12942246912 in words is "twelve billion, nine hundred forty-two million, two hundred forty-six thousand, nine hundred twelve".