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3130007999 = 20707151157
BaseRepresentation
bin1011101010010000…
…0010000110111111
322002010122212210012
42322210002012333
522402240223444
61234330533435
7140364425516
oct27244020677
98063585705
103130007999
111366898378
1273429727b
133ab603851
142199a967d
15134bc4b9e
hexba9021bf

3130007999 has 4 divisors (see below), whose sum is σ = 3130179864. Its totient is φ = 3129836136.

The previous prime is 3130007987. The next prime is 3130008041. The reversal of 3130007999 is 9997000313.

3130007999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3130007999 - 28 = 3130007743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130007929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54872 + ... + 96285.

It is an arithmetic number, because the mean of its divisors is an integer number (782544966).

Almost surely, 23130007999 is an apocalyptic number.

3130007999 is a deficient number, since it is larger than the sum of its proper divisors (171865).

3130007999 is a wasteful number, since it uses less digits than its factorization.

3130007999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171864.

The product of its (nonzero) digits is 45927, while the sum is 41.

The square root of 3130007999 is about 55946.4744108152. The cubic root of 3130007999 is about 1462.7894377740.

The spelling of 3130007999 in words is "three billion, one hundred thirty million, seven thousand, nine hundred ninety-nine".

Divisors: 1 20707 151157 3130007999