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125132966400 = 29352131979167
BaseRepresentation
bin111010010001010000…
…0011000101000000000
3102221222201202022200010
41310202200120220000
54022233014411100
6133252453424520
712016624444011
oct1644240305000
9387881668603
10125132966400
114908332a812
122030293b140
13ba5275c9b0
1460b0d3b008
1533c5924750
hex1d22818a00

125132966400 has 960 divisors, whose sum is σ = 477369446400. Its totient is φ = 28638904320.

The previous prime is 125132966369. The next prime is 125132966447. The reversal of 125132966400 is 4669231521.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 749299117 + ... + 749299283.

It is an arithmetic number, because the mean of its divisors is an integer number (497259840).

Almost surely, 2125132966400 is an apocalyptic number.

125132966400 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 125132966400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238684723200).

125132966400 is an abundant number, since it is smaller than the sum of its proper divisors (352236480000).

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

125132966400 is a wasteful number, since it uses less digits than its factorization.

125132966400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 125132966400 in words is "one hundred twenty-five billion, one hundred thirty-two million, nine hundred sixty-six thousand, four hundred".