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3945077969 = 71314302157
BaseRepresentation
bin1110101100100101…
…0001110011010001
3101011221100201120212
43223021101303101
531034414443334
61451244413505
7166522416020
oct35311216321
911157321525
103945077969
111744991518
12921247295
134ab431b81
14295d388b7
15181526ece
hexeb251cd1

3945077969 has 8 divisors (see below), whose sum is σ = 4543078848. Its totient is φ = 3355681680.

The previous prime is 3945077911. The next prime is 3945078029. The reversal of 3945077969 is 9697705493.

3945077969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3945077969 - 216 = 3945012433 is a prime.

It is a super-2 number, since 2×39450779692 = 31127280362978329922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3945079969) 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, 2150162 + ... + 2151995.

It is an arithmetic number, because the mean of its divisors is an integer number (567884856).

Almost surely, 23945077969 is an apocalyptic number.

It is an amenable number.

3945077969 is a deficient number, since it is larger than the sum of its proper divisors (598000879).

3945077969 is a wasteful number, since it uses less digits than its factorization.

3945077969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302295.

The product of its (nonzero) digits is 12859560, while the sum is 59.

The square root of 3945077969 is about 62809.8556677214. The cubic root of 3945077969 is about 1580.1022698583.

The spelling of 3945077969 in words is "three billion, nine hundred forty-five million, seventy-seven thousand, nine hundred sixty-nine".

Divisors: 1 7 131 917 4302157 30115099 563582567 3945077969