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256051411441 = 7243121524163
BaseRepresentation
bin1110111001110111011…
…0100111100111110001
3220110220122220102000221
43232131312213213301
513143343130131231
6313343422213041
724333123041500
oct3563566474761
9813818812027
10256051411441
119965538a231
124175b124181
131b1b79b8617
14c5703a4837
1569d9209d11
hex3b9dda79f1

256051411441 has 12 divisors (see below), whose sum is σ = 304782603312. Its totient is φ = 214368621768.

The previous prime is 256051411433. The next prime is 256051411459. The reversal of 256051411441 is 144114150652.

It is not a de Polignac number, because 256051411441 - 23 = 256051411433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 256051411397 and 256051411406.

It is not an unprimeable number, because it can be changed into a prime (256051411411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60759975 + ... + 60764188.

It is an arithmetic number, because the mean of its divisors is an integer number (25398550276).

Almost surely, 2256051411441 is an apocalyptic number.

It is an amenable number.

256051411441 is a deficient number, since it is larger than the sum of its proper divisors (48731191871).

256051411441 is a wasteful number, since it uses less digits than its factorization.

256051411441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121524220 (or 121524213 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The spelling of 256051411441 in words is "two hundred fifty-six billion, fifty-one million, four hundred eleven thousand, four hundred forty-one".

Divisors: 1 7 43 49 301 2107 121524163 850669141 5225539009 5954683987 36578773063 256051411441