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890189250385 = 5239744928243
BaseRepresentation
bin11001111010000110110…
…10011111111101010001
310011002201211010100211111
430331003122133331101
5104041101422003020
61520540341013321
7121212501531661
oct14750332377521
93132654110744
10890189250385
11313588696466
121246366b4241
1365c38061116
143112a4481a1
15182510a2d5a
hexcf4369ff51

890189250385 has 8 divisors (see below), whose sum is σ = 1072696671360. Its totient is φ = 709171686384.

The previous prime is 890189250383. The next prime is 890189250397. The reversal of 890189250385 is 583052981098.

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

It is a cyclic number.

It is not a de Polignac number, because 890189250385 - 21 = 890189250383 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (890189250383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372462927 + ... + 372465316.

It is an arithmetic number, because the mean of its divisors is an integer number (134087083920).

Almost surely, 2890189250385 is an apocalyptic number.

It is an amenable number.

890189250385 is a deficient number, since it is larger than the sum of its proper divisors (182507420975).

890189250385 is a wasteful number, since it uses less digits than its factorization.

890189250385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744928487.

The product of its (nonzero) digits is 6220800, while the sum is 58.

The spelling of 890189250385 in words is "eight hundred ninety billion, one hundred eighty-nine million, two hundred fifty thousand, three hundred eighty-five".

Divisors: 1 5 239 1195 744928243 3724641215 178037850077 890189250385