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2834747656 = 231327257189
BaseRepresentation
bin1010100011110110…
…1101000100001000
321022120002002201221
42220331231010020
521301143411111
61145142251424
7130150646266
oct25075550410
97276062657
102834747656
111225160964
12671426b74
133623a51a0
141cc6ab436
15118d00371
hexa8f6d108

2834747656 has 16 divisors (see below), whose sum is σ = 5724009900. Its totient is φ = 1308345024.

The previous prime is 2834747639. The next prime is 2834747687. The reversal of 2834747656 is 6567474382.

It can be written as a sum of positive squares in 2 ways, for example, as 2069340100 + 765407556 = 45490^2 + 27666^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13628491 + ... + 13628698.

Almost surely, 22834747656 is an apocalyptic number.

2834747656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2834747656 is an abundant number, since it is smaller than the sum of its proper divisors (2889262244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2834747656 is a wasteful number, since it uses less digits than its factorization.

2834747656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27257208 (or 27257204 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 52.

The square root of 2834747656 is about 53242.3483328825. The cubic root of 2834747656 is about 1415.2662005467.

The spelling of 2834747656 in words is "two billion, eight hundred thirty-four million, seven hundred forty-seven thousand, six hundred fifty-six".

Divisors: 1 2 4 8 13 26 52 104 27257189 54514378 109028756 218057512 354343457 708686914 1417373828 2834747656