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12994063740 = 2234579711813
BaseRepresentation
bin11000001101000000…
…11010110101111100
31020112120121211110000
430012200122311330
5203102440014430
65545215514300
7640001501520
oct140640326574
936476554400
1012994063740
1155688a0459
122627828990
1312c10a3a18
148b3a61d80
15510b7ce60
hex30681ad7c

12994063740 has 240 divisors, whose sum is σ = 47070378432. Its totient is φ = 2939203584.

The previous prime is 12994063723. The next prime is 12994063751. The reversal of 12994063740 is 4736049921.

It is a happy number.

12994063740 is a `hidden beast` number, since 1 + 2 + 9 + 9 + 4 + 0 + 637 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1094074 + ... + 1105886.

Almost surely, 212994063740 is an apocalyptic number.

12994063740 is a gapful number since it is divisible by the number (10) 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 12994063740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23535189216).

12994063740 is an abundant number, since it is smaller than the sum of its proper divisors (34076314692).

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

12994063740 is a wasteful number, since it uses less digits than its factorization.

12994063740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11938 (or 11927 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 12994063740 in words is "twelve billion, nine hundred ninety-four million, sixty-three thousand, seven hundred forty".