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40909831300 = 22521331469101
BaseRepresentation
bin100110000110011010…
…100111110010000100
310220121002001202102001
4212012122213302010
51132240404100200
630443235355044
72645532554122
oct460632476204
9126532052361
1040909831300
1116393595838
127b18752a84
133b1c70ba90
141da1366912
1510e680676a
hex9866a7c84

40909831300 has 36 divisors (see below), whose sum is σ = 95603131876. Its totient is φ = 15105168000.

The previous prime is 40909831279. The next prime is 40909831309. The reversal of 40909831300 is 313890904.

It can be written as a sum of positive squares in 6 ways, for example, as 7953785856 + 32956045444 = 89184^2 + 181538^2 .

It is a super-2 number, since 2×409098313002 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40909831300.

It is not an unprimeable number, because it can be changed into a prime (40909831309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15733251 + ... + 15735850.

Almost surely, 240909831300 is an apocalyptic number.

It is an amenable number.

40909831300 is an abundant number, since it is smaller than the sum of its proper divisors (54693300576).

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

40909831300 is a wasteful number, since it uses less digits than its factorization.

40909831300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31469128 (or 31469121 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 40909831300 in words is "forty billion, nine hundred nine million, eight hundred thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 31469101 62938202 125876404 157345505 314691010 409098313 629382020 786727525 818196626 1573455050 1636393252 2045491565 3146910100 4090983130 8181966260 10227457825 20454915650 40909831300