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132531031140 = 22359109242491
BaseRepresentation
bin111101101101101110…
…1110000110001100100
3110200002022111221121220
41323123131300301210
54132410420444030
6140514531540340
712401146114614
oct1733335606144
9420068457556
10132531031140
115122a348302
122182845a6b0
13c66137a3b1
1465b36b6a44
1536aa16da10
hex1edb770c64

132531031140 has 48 divisors (see below), whose sum is σ = 371129156160. Its totient is φ = 35337582720.

The previous prime is 132531031133. The next prime is 132531031169. The reversal of 132531031140 is 41130135231.

It is a self number, because there is not a number n which added to its sum of digits gives 132531031140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425295 + ... + 667785.

It is an arithmetic number, because the mean of its divisors is an integer number (7731857420).

Almost surely, 2132531031140 is an apocalyptic number.

132531031140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132531031140 is an abundant number, since it is smaller than the sum of its proper divisors (238598125020).

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

132531031140 is a wasteful number, since it uses less digits than its factorization.

132531031140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251612 (or 251610 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 132531031140 its reverse (41130135231), we get a palindrome (173661166371).

The spelling of 132531031140 in words is "one hundred thirty-two billion, five hundred thirty-one million, thirty-one thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 9109 18218 27327 36436 45545 54654 91090 109308 136635 182180 242491 273270 484982 546540 727473 969964 1212455 1454946 2424910 2909892 3637365 4849820 7274730 14549460 2208850519 4417701038 6626551557 8835402076 11044252595 13253103114 22088505190 26506206228 33132757785 44177010380 66265515570 132531031140