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2656230005 = 5111330712101
BaseRepresentation
bin1001111001010010…
…1101101001110101
320212010011110120002
42132110231221311
520414443330010
61115324121045
7122552403542
oct23624555165
96763143502
102656230005
111143410a10
12621696185
133343ccc40
141b2abbbc9
151082db1a5
hex9e52da75

2656230005 has 32 divisors (see below), whose sum is σ = 3757235328. Its totient is φ = 1777248000.

The previous prime is 2656229981. The next prime is 2656230011. The reversal of 2656230005 is 5000326562.

It is a happy number.

It is not a de Polignac number, because 2656230005 - 28 = 2656229749 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2656230005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213455 + ... + 225555.

It is an arithmetic number, because the mean of its divisors is an integer number (117413604).

Almost surely, 22656230005 is an apocalyptic number.

It is an amenable number.

2656230005 is a deficient number, since it is larger than the sum of its proper divisors (1101005323).

2656230005 is a wasteful number, since it uses less digits than its factorization.

2656230005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12437.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 2656230005 is about 51538.6263398628. The cubic root of 2656230005 is about 1384.9110891849.

Adding to 2656230005 its reverse (5000326562), we get a palindrome (7656556567).

The spelling of 2656230005 in words is "two billion, six hundred fifty-six million, two hundred thirty thousand, five".

Divisors: 1 5 11 13 55 65 143 307 715 1535 3377 3991 12101 16885 19955 43901 60505 133111 157313 219505 665555 786565 1730443 3715007 8652215 18575035 40865077 48295091 204325385 241475455 531246001 2656230005