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245022820593 = 3947787710949
BaseRepresentation
bin1110010000110001111…
…1111000100011110001
3212102110001122221112020
43210030133320203301
513003301320224333
6304321213222053
723462615416425
oct3441437704361
9772401587466
10245022820593
1194a05aa3741
123b5a1791929
131a14ab90515
14bc057b0b85
156590dbe3b3
hex390c7f88f1

245022820593 has 16 divisors (see below), whose sum is σ = 327113467200. Its totient is φ = 163140439616.

The previous prime is 245022820519. The next prime is 245022820597. The reversal of 245022820593 is 395028220542.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 245022820593 - 212 = 245022816497 is a prime.

It is a super-2 number, since 2×2450228205932 (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245022820597) 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, 22373083 + ... + 22384031.

It is an arithmetic number, because the mean of its divisors is an integer number (20444591700).

Almost surely, 2245022820593 is an apocalyptic number.

It is an amenable number.

245022820593 is a deficient number, since it is larger than the sum of its proper divisors (82090646607).

245022820593 is a wasteful number, since it uses less digits than its factorization.

245022820593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19776.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 245022820593 in words is "two hundred forty-five billion, twenty-two million, eight hundred twenty thousand, five hundred ninety-three".

Divisors: 1 3 947 2841 7877 10949 23631 32847 7459519 10368703 22378557 31106109 86245273 258735819 81674273531 245022820593