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131933097788 = 221914231219931
BaseRepresentation
bin111101011011111010…
…0110100111100111100
3110121112122101210021012
41322313310310330330
54130144333112123
6140335332054352
712350265553652
oct1726764647474
9417478353235
10131933097788
1150a52881108
12216a01643b8
13c59752638b
14655810add2
15367290d378
hex1eb7d34f3c

131933097788 has 24 divisors (see below), whose sum is σ = 243205643520. Its totient is φ = 62450656560.

The previous prime is 131933097787. The next prime is 131933097797. The reversal of 131933097788 is 887790339131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131933097787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501818 + ... + 718113.

It is an arithmetic number, because the mean of its divisors is an integer number (10133568480).

Almost surely, 2131933097788 is an apocalyptic number.

It is an amenable number.

131933097788 is a deficient number, since it is larger than the sum of its proper divisors (111272545732).

131933097788 is a wasteful number, since it uses less digits than its factorization.

131933097788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221377 (or 1221375 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 59.

The spelling of 131933097788 in words is "one hundred thirty-one billion, nine hundred thirty-three million, ninety-seven thousand, seven hundred eighty-eight".

Divisors: 1 2 4 19 38 76 1423 2846 5692 27037 54074 108148 1219931 2439862 4879724 23178689 46357378 92714756 1735961813 3471923626 6943847252 32983274447 65966548894 131933097788