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3808768107 = 31269589369
BaseRepresentation
bin1110001100000101…
…0011000001101011
3100211102212110121110
43203001103001223
530300021034412
61425535041403
7163245665124
oct34301230153
910742773543
103808768107
111684a4a941
128a3670263
13489117351
14281bb504b
1517459dd3c
hexe305306b

3808768107 has 4 divisors (see below), whose sum is σ = 5078357480. Its totient is φ = 2539178736.

The previous prime is 3808768057. The next prime is 3808768121. The reversal of 3808768107 is 7018678083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7018678083 = 32339559361.

It is not a de Polignac number, because 3808768107 - 228 = 3540332651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3808768507) 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, 634794682 + ... + 634794687.

It is an arithmetic number, because the mean of its divisors is an integer number (1269589370).

Almost surely, 23808768107 is an apocalyptic number.

3808768107 is a deficient number, since it is larger than the sum of its proper divisors (1269589373).

3808768107 is a wasteful number, since it uses less digits than its factorization.

3808768107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269589372.

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 3808768107 is about 61715.2177910765. The cubic root of 3808768107 is about 1561.6900524320.

The spelling of 3808768107 in words is "three billion, eight hundred eight million, seven hundred sixty-eight thousand, one hundred seven".

Divisors: 1 3 1269589369 3808768107