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125480102670 = 234513171979467
BaseRepresentation
bin111010011011100110…
…0100110101100001110
3102222212220221200010000
41310313030212230032
54023440401241140
6133351134025130
712031341163056
oct1646714465416
9388786850100
10125480102670
114924127939a
122039b0481a6
13baa9652580
1461050a0566
1533e6144a30
hex1d37326b0e

125480102670 has 640 divisors, whose sum is σ = 410983372800. Its totient is φ = 27133636608.

The previous prime is 125480102663. The next prime is 125480102701. The reversal of 125480102670 is 76201084521.

125480102670 is a `hidden beast` number, since 1 + 2 + 5 + 480 + 102 + 6 + 70 = 666.

It is a super-2 number, since 2×1254801026702 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 268693777 + ... + 268694243.

It is an arithmetic number, because the mean of its divisors is an integer number (642161520).

Almost surely, 2125480102670 is an apocalyptic number.

125480102670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125480102670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205491686400).

125480102670 is an abundant number, since it is smaller than the sum of its proper divisors (285503270130).

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

125480102670 is a wasteful number, since it uses less digits than its factorization.

125480102670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

It can be divided in two parts, 125480 and 102670, that added together give a triangular number (228150 = T675).

The spelling of 125480102670 in words is "one hundred twenty-five billion, four hundred eighty million, one hundred two thousand, six hundred seventy".