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245317027593 = 31131239801591
BaseRepresentation
bin1110010001111000001…
…0001100011100001001
3212110012120021012122210
43210132002030130021
513004402124340333
6304410323135333
723503120220661
oct3443602143411
9773176235583
10245317027593
1195047080820
123b664214549
131a196b105c1
14bc328b71a1
1565abb36a63
hex391e08c709

245317027593 has 16 divisors (see below), whose sum is σ = 368335245312. Its totient is φ = 143880954000.

The previous prime is 245317027589. The next prime is 245317027603. The reversal of 245317027593 is 395720713542.

It is not a de Polignac number, because 245317027593 - 22 = 245317027589 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245317027093) 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, 119899773 + ... + 119901818.

It is an arithmetic number, because the mean of its divisors is an integer number (23020952832).

Almost surely, 2245317027593 is an apocalyptic number.

It is an amenable number.

245317027593 is a deficient number, since it is larger than the sum of its proper divisors (123018217719).

245317027593 is a wasteful number, since it uses less digits than its factorization.

245317027593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239801636.

The product of its (nonzero) digits is 1587600, while the sum is 48.

The spelling of 245317027593 in words is "two hundred forty-five billion, three hundred seventeen million, twenty-seven thousand, five hundred ninety-three".

Divisors: 1 3 11 31 33 93 341 1023 239801591 719404773 2637817501 7433849321 7913452503 22301547963 81772342531 245317027593