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3102390705 = 351131830319
BaseRepresentation
bin1011100011101010…
…1011100110110001
322000012200202222110
42320322223212301
522323203000310
61231502555533
7136610612601
oct27072534661
98005622873
103102390705
111352245067
12726b98ba9
133a598425b
1421605ac01
1513256bd20
hexb8eab9b1

3102390705 has 16 divisors (see below), whose sum is σ = 5007755520. Its totient is φ = 1639964928.

The previous prime is 3102390701. The next prime is 3102390721. The reversal of 3102390705 is 5070932013.

It is not a de Polignac number, because 3102390705 - 22 = 3102390701 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3102390701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913465 + ... + 916854.

It is an arithmetic number, because the mean of its divisors is an integer number (312984720).

Almost surely, 23102390705 is an apocalyptic number.

It is an amenable number.

3102390705 is a deficient number, since it is larger than the sum of its proper divisors (1905364815).

3102390705 is a wasteful number, since it uses less digits than its factorization.

3102390705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830440.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 3102390705 is about 55699.1086553456. The cubic root of 3102390705 is about 1458.4744660002.

The spelling of 3102390705 in words is "three billion, one hundred two million, three hundred ninety thousand, seven hundred five".

Divisors: 1 3 5 15 113 339 565 1695 1830319 5490957 9151595 27454785 206826047 620478141 1034130235 3102390705