Search a number
-
+
12496407140 = 225789260051
BaseRepresentation
bin10111010001101100…
…00000101001100100
31012020220012020221002
423220312000221210
5201043040012030
65424001212432
7621446464610
oct135066005144
935226166832
1012496407140
115332994708
122509031118
131241c5c469
1486791a340
154d2129245
hex2e8d80a64

12496407140 has 24 divisors (see below), whose sum is σ = 29991377472. Its totient is φ = 4284482400.

The previous prime is 12496407137. The next prime is 12496407169. The reversal of 12496407140 is 4170469421.

It is a junction number, because it is equal to n+sod(n) for n = 12496407094 and 12496407103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44629886 + ... + 44630165.

It is an arithmetic number, because the mean of its divisors is an integer number (1249640728).

Almost surely, 212496407140 is an apocalyptic number.

12496407140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12496407140 is an abundant number, since it is smaller than the sum of its proper divisors (17494970332).

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

12496407140 is a wasteful number, since it uses less digits than its factorization.

12496407140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89260067 (or 89260065 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 12496407140 in words is "twelve billion, four hundred ninety-six million, four hundred seven thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 89260051 178520102 357040204 446300255 624820357 892600510 1249640714 1785201020 2499281428 3124101785 6248203570 12496407140