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126908993376 = 25351121931229
BaseRepresentation
bin111011000110001011…
…1011000111101100000
3110010120111122211200000
41312030113120331200
54034402200242001
6134145020100000
712111631434144
oct1661427307540
9403514584600
10126908993376
1149904900100
1220719694600
13bc766a8129
1461dcb73224
15347b7e4a86
hex1d8c5d8f60

126908993376 has 864 divisors, whose sum is σ = 448953523200. Its totient is φ = 35103974400.

The previous prime is 126908993371. The next prime is 126908993401. The reversal of 126908993376 is 673399809621.

126908993376 is a `hidden beast` number, since 12 + 6 + 90 + 89 + 93 + 376 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a super-2 number, since 2×1269089933762 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126908993371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 554187630 + ... + 554187858.

Almost surely, 2126908993376 is an apocalyptic number.

126908993376 is a gapful number since it is divisible by the number (16) 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 126908993376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224476761600).

126908993376 is an abundant number, since it is smaller than the sum of its proper divisors (322044529824).

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

126908993376 is a wasteful number, since it uses less digits than its factorization.

126908993376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 63.

The spelling of 126908993376 in words is "one hundred twenty-six billion, nine hundred eight million, nine hundred ninety-three thousand, three hundred seventy-six".