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5120638331 = 107367130399
BaseRepresentation
bin1001100010011011…
…01011110101111011
3111012212101101020112
410301031223311323
540441340411311
62204041014535
7240615464504
oct46115536573
914185341215
105120638331
112198515406
12baaa8444b
13637b4a213
14368105bab
151ee83628b
hex13136bd7b

5120638331 has 8 divisors (see below), whose sum is σ = 5182617600. Its totient is φ = 5058920808.

The previous prime is 5120638321. The next prime is 5120638333. The reversal of 5120638331 is 1338360215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5120638331 - 210 = 5120637307 is a prime.

It is a super-2 number, since 2×51206383312 = 52441873833812931122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5120638333) 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, 25931 + ... + 104468.

It is an arithmetic number, because the mean of its divisors is an integer number (647827200).

Almost surely, 25120638331 is an apocalyptic number.

5120638331 is a deficient number, since it is larger than the sum of its proper divisors (61979269).

5120638331 is a wasteful number, since it uses less digits than its factorization.

5120638331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130873.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 5120638331 is about 71558.6356144386. The cubic root of 5120638331 is about 1723.6193762600.

Adding to 5120638331 its reverse (1338360215), we get a palindrome (6458998546).

The spelling of 5120638331 in words is "five billion, one hundred twenty million, six hundred thirty-eight thousand, three hundred thirty-one".

Divisors: 1 107 367 39269 130399 13952693 47856433 5120638331