Search a number
-
+
126420895964160 = 21033575913116903
BaseRepresentation
bin11100101111101010101000…
…100110001001110000000000
3121120121201102121022220212000
4130233222220212021300000
5113032234443331323120
61124512542521104000
735425415440312560
oct3457525046116000
9546551377286760
10126420895964160
1137310889a93126
1212219272328000
1355705932b5125
142330b382d2da0
15e9376e733990
hex72faa8989c00

126420895964160 has 1408 divisors, whose sum is σ = 526179273523200. Its totient is φ = 28187927838720.

The previous prime is 126420895964137. The next prime is 126420895964161. The reversal of 126420895964160 is 61469598024621.

126420895964160 is a `hidden beast` number, since 1 + 2 + 6 + 4 + 20 + 8 + 9 + 596 + 4 + 16 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126420895964161) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7479190269 + ... + 7479207171.

It is an arithmetic number, because the mean of its divisors is an integer number (373706870400).

Almost surely, 2126420895964160 is an apocalyptic number.

126420895964160 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 126420895964160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263089636761600).

126420895964160 is an abundant number, since it is smaller than the sum of its proper divisors (399758377559040).

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

126420895964160 is a wasteful number, since it uses less digits than its factorization.

126420895964160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17134 (or 17110 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 126420895964160 in words is "one hundred twenty-six trillion, four hundred twenty billion, eight hundred ninety-five million, nine hundred sixty-four thousand, one hundred sixty".