Search a number
-
+
131625243970 = 251117103683377
BaseRepresentation
bin111101010010101111…
…0011101010101000010
3110120202012010012012221
41322211132131111002
54124032030301340
6140245013441254
712336540053653
oct1724536352502
9416665105187
10131625243970
1150905022a70
122161504022a
13c54880885c
14652929152a
15365589c44a
hex1ea579d542

131625243970 has 64 divisors (see below), whose sum is σ = 276325261056. Its totient is φ = 44610785280.

The previous prime is 131625243947. The next prime is 131625243977. The reversal of 131625243970 is 79342526131.

131625243970 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (131625243977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149079 + ... + 534298.

It is an arithmetic number, because the mean of its divisors is an integer number (4317582204).

Almost surely, 2131625243970 is an apocalyptic number.

131625243970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131625243970 is an abundant number, since it is smaller than the sum of its proper divisors (144700017086).

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

131625243970 is a wasteful number, since it uses less digits than its factorization.

131625243970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683515.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 131625243970 in words is "one hundred thirty-one billion, six hundred twenty-five million, two hundred forty-three thousand, nine hundred seventy".

Divisors: 1 2 5 10 11 17 22 34 55 85 103 110 170 187 206 374 515 935 1030 1133 1751 1870 2266 3502 5665 8755 11330 17510 19261 38522 96305 192610 683377 1366754 3416885 6833770 7517147 11617409 15034294 23234818 37585735 58087045 70387831 75171470 116174090 127791499 140775662 255582998 351939155 638957495 703878310 774266141 1196593127 1277914990 1548532282 2393186254 3871330705 5982965635 7742661410 11965931270 13162524397 26325048794 65812621985 131625243970