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131762045460420 = 223252925241771161
BaseRepresentation
bin11101111101011000111101…
…111010100001111111000100
3122021112022212111102001221100
4131331120331322201333010
5114232242132114213140
61144122351551220100
736516331214043264
oct3575307572417704
9567468774361840
10131762045460420
1138a8aa736a6531
121294044a517630
13586a15244b23b
142477461ccd7a4
151037676eac530
hex77d63dea1fc4

131762045460420 has 72 divisors (see below), whose sum is σ = 413460211633560. Its totient is φ = 33924940439040.

The previous prime is 131762045460293. The next prime is 131762045460433. The reversal of 131762045460420 is 24064540267131.

131762045460420 is a `hidden beast` number, since 1 + 3 + 1 + 7 + 62 + 0 + 4 + 546 + 0 + 42 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1545829702596 + 130216215757824 = 1243314^2 + 11411232^2 .

It is a super-2 number, since 2×1317620454604202 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12620880361 + ... + 12620890800.

It is an arithmetic number, because the mean of its divisors is an integer number (5742502939355).

Almost surely, 2131762045460420 is an apocalyptic number.

131762045460420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131762045460420 is an abundant number, since it is smaller than the sum of its proper divisors (281698166173140).

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

131762045460420 is a wasteful number, since it uses less digits than its factorization.

131762045460420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25241771205 (or 25241771200 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 131762045460420 in words is "one hundred thirty-one trillion, seven hundred sixty-two billion, forty-five million, four hundred sixty thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 29 30 36 45 58 60 87 90 116 145 174 180 261 290 348 435 522 580 870 1044 1305 1740 2610 5220 25241771161 50483542322 75725313483 100967084644 126208855805 151450626966 227175940449 252417711610 302901253932 378626567415 454351880898 504835423220 732011363669 757253134830 908703761796 1135879702245 1464022727338 1514506269660 2196034091007 2271759404490 2928045454676 3660056818345 4392068182014 4543518808980 6588102273021 7320113636690 8784136364028 10980170455035 13176204546042 14640227273380 21960340910070 26352409092084 32940511365105 43920681820140 65881022730210 131762045460420