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3968862907 = 26871477061
BaseRepresentation
bin1110110010010000…
…0000101010111011
3101020121010010101111
43230210000222323
531112012103112
61453454301151
7200231530612
oct35444005273
911217103344
103968862907
111757357499
129291b77b7
134b333bcb9
1429916a879
151836745a7
hexec900abb

3968862907 has 4 divisors (see below), whose sum is σ = 3970342656. Its totient is φ = 3967383160.

The previous prime is 3968862893. The next prime is 3968862929. The reversal of 3968862907 is 7092688693.

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 3968862907 - 215 = 3968830139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3968862967) 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, 735844 + ... + 741217.

It is an arithmetic number, because the mean of its divisors is an integer number (992585664).

Almost surely, 23968862907 is an apocalyptic number.

3968862907 is a deficient number, since it is larger than the sum of its proper divisors (1479749).

3968862907 is a wasteful number, since it uses less digits than its factorization.

3968862907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479748.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The square root of 3968862907 is about 62998.9119509218. The cubic root of 3968862907 is about 1583.2713967228.

The spelling of 3968862907 in words is "three billion, nine hundred sixty-eight million, eight hundred sixty-two thousand, nine hundred seven".

Divisors: 1 2687 1477061 3968862907