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2631349023 = 32297381853
BaseRepresentation
bin1001110011010111…
…0011001100011111
320210101100101021020
42130311303030133
520342111132043
61113034535223
7122131045332
oct23465631437
96711311236
102631349023
111130367516
12615297513
1332c1cac74
141ad682619
15106023e83
hex9cd7331f

2631349023 has 8 divisors (see below), whose sum is σ = 3510001968. Its totient is φ = 1753464384.

The previous prime is 2631349001. The next prime is 2631349031. The reversal of 2631349023 is 3209431362.

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

It is not a de Polignac number, because 2631349023 - 212 = 2631344927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631349093) 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, 184036 + ... + 197817.

It is an arithmetic number, because the mean of its divisors is an integer number (438750246).

Almost surely, 22631349023 is an apocalyptic number.

2631349023 is a deficient number, since it is larger than the sum of its proper divisors (878652945).

2631349023 is a wasteful number, since it uses less digits than its factorization.

2631349023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384153.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 2631349023 is about 51296.6765297714. The cubic root of 2631349023 is about 1380.5733497636.

The spelling of 2631349023 in words is "two billion, six hundred thirty-one million, three hundred forty-nine thousand, twenty-three".

Divisors: 1 3 2297 6891 381853 1145559 877116341 2631349023