Search a number
-
+
125343760860864 = 263272133111019937
BaseRepresentation
bin11100011111111111011110…
…010101110100011011000000
3121102210202011012121020211100
4130133333132111310123000
5112412113010240021424
61122330043453414400
735254534146100500
oct3437773625643300
9542722135536740
10125343760860864
1136a35a99334487
1212084563a9a400
1354c2b345b4740
1422d49557c9a00
15e7572b2a6dc9
hex71ffde5746c0

125343760860864 has 504 divisors, whose sum is σ = 464599880803968. Its totient is φ = 31991315005440.

The previous prime is 125343760860841. The next prime is 125343760860869. The reversal of 125343760860864 is 468068067343521.

It is a happy number.

125343760860864 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 437 + 60 + 8 + 60 + 86 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (504).

It is a super-2 number, since 2×1253437608608642 (a number of 29 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (125343760860869) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5864304 + ... + 16884240.

Almost surely, 2125343760860864 is an apocalyptic number.

125343760860864 is a gapful number since it is divisible by the number (14) 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 125343760860864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232299940401984).

125343760860864 is an abundant number, since it is smaller than the sum of its proper divisors (339256119943104).

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

125343760860864 is a wasteful number, since it uses less digits than its factorization.

125343760860864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11020013 (or 11019993 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 63.

The spelling of 125343760860864 in words is "one hundred twenty-five trillion, three hundred forty-three billion, seven hundred sixty million, eight hundred sixty thousand, eight hundred sixty-four".