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244257871379 = 19113587193811
BaseRepresentation
bin1110001101111011100…
…1110101011000010011
3212100110202021111110212
43203132321311120103
513000220003341004
6304113245514335
723434636435664
oct3433671653023
9770422244425
10244257871379
1194653223005
123b4095729ab
131a058560552
14bb71d6b36b
156548b6c96e
hex38dee75613

244257871379 has 16 divisors (see below), whose sum is σ = 259832119680. Its totient is φ = 228962482560.

The previous prime is 244257871313. The next prime is 244257871421. The reversal of 244257871379 is 973178752442.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-244257871379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (244257874379) 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, 1163384 + ... + 1357194.

It is an arithmetic number, because the mean of its divisors is an integer number (16239507480).

Almost surely, 2244257871379 is an apocalyptic number.

244257871379 is a deficient number, since it is larger than the sum of its proper divisors (15574248301).

244257871379 is a wasteful number, since it uses less digits than its factorization.

244257871379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194530.

The product of its digits is 23708160, while the sum is 59.

The spelling of 244257871379 in words is "two hundred forty-four billion, two hundred fifty-seven million, eight hundred seventy-one thousand, three hundred seventy-nine".

Divisors: 1 19 113 587 2147 11153 66331 193811 1260289 3682409 21900643 113767057 416112217 2161574083 12855677441 244257871379