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10103996831 = 118719514363
BaseRepresentation
bin10010110100011111…
…01100000110011111
3222002011110012221212
421122033230012133
5131143110344311
64350335415035
7505246361465
oct113217540637
928064405855
1010103996831
114315496405
121b5b98447b
13c50400266
146bbcb4835
153e20a1c8b
hex25a3ec19f

10103996831 has 8 divisors (see below), whose sum is σ = 10120011264. Its totient is φ = 10087997400.

The previous prime is 10103996803. The next prime is 10103996843. The reversal of 10103996831 is 13869930101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10103996831 is a prime.

It is a super-2 number, since 2×101039968312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10103996731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2313656 + ... + 2318018.

It is an arithmetic number, because the mean of its divisors is an integer number (1265001408).

Almost surely, 210103996831 is an apocalyptic number.

10103996831 is a deficient number, since it is larger than the sum of its proper divisors (16014433).

10103996831 is a wasteful number, since it uses less digits than its factorization.

10103996831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7501.

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 10103996831 in words is "ten billion, one hundred three million, nine hundred ninety-six thousand, eight hundred thirty-one".

Divisors: 1 1187 1951 4363 2315837 5178881 8512213 10103996831