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12542162080 = 255717976791
BaseRepresentation
bin10111010111001001…
…00011010010100000
31012101002021211220111
423223210203102200
5201141243141310
65432314021104
7622543422130
oct135344432240
935332254814
1012542162080
1153567a6008
122520417794
13124b58c5a6
1486da2aac0
154d616628a
hex2eb9234a0

12542162080 has 192 divisors, whose sum is σ = 36230810112. Its totient is φ = 4004904960.

The previous prime is 12542162071. The next prime is 12542162081. The reversal of 12542162080 is 8026124521.

It is not an unprimeable number, because it can be changed into a prime (12542162081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1843485 + ... + 1850275.

It is an arithmetic number, because the mean of its divisors is an integer number (188702136).

Almost surely, 212542162080 is an apocalyptic number.

12542162080 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 12542162080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18115405056).

12542162080 is an abundant number, since it is smaller than the sum of its proper divisors (23688648032).

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

12542162080 is a wasteful number, since it uses less digits than its factorization.

12542162080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6927 (or 6919 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 12542162080 in words is "twelve billion, five hundred forty-two million, one hundred sixty-two thousand, eighty".