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2561234294 = 21399213073
BaseRepresentation
bin1001100010101001…
…0101010101110110
320121111102011221102
42120222111111312
520221133444134
61102052050102
7120320063243
oct23052252566
96544364842
102561234294
1110a4828263
125b5903932
1331a81c168
141a42305ca
15eecc437e
hex98a95576

2561234294 has 8 divisors (see below), whose sum is σ = 3869491080. Its totient is φ = 1271403936.

The previous prime is 2561234281. The next prime is 2561234303. The reversal of 2561234294 is 4924321652.

2561234294 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×25612342942 = 13119842217523356872, which contains 22 as substring.

It is a congruent number.

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, 4606259 + ... + 4606814.

It is an arithmetic number, because the mean of its divisors is an integer number (483686385).

Almost surely, 22561234294 is an apocalyptic number.

2561234294 is a deficient number, since it is larger than the sum of its proper divisors (1308256786).

2561234294 is a wasteful number, since it uses less digits than its factorization.

2561234294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9213214.

The product of its digits is 103680, while the sum is 38.

The square root of 2561234294 is about 50608.6385313812. The cubic root of 2561234294 is about 1368.2005775428.

The spelling of 2561234294 in words is "two billion, five hundred sixty-one million, two hundred thirty-four thousand, two hundred ninety-four".

Divisors: 1 2 139 278 9213073 18426146 1280617147 2561234294