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13230383870 = 2511971239961
BaseRepresentation
bin11000101001001011…
…11010001011111110
31021011001022010201102
430110211322023332
5204043434240440
610024501013102
7645601256504
oct142445721376
937131263642
1013230383870
11567a230250
1226929b4192
13132b036912
148d71ba674
155267adb15
hex31497a2fe

13230383870 has 32 divisors (see below), whose sum is σ = 26247515616. Its totient is φ = 4761446400.

The previous prime is 13230383869. The next prime is 13230383897. The reversal of 13230383870 is 7838303231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609311 + ... + 630650.

It is an arithmetic number, because the mean of its divisors is an integer number (820234863).

Almost surely, 213230383870 is an apocalyptic number.

13230383870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13230383870 is a deficient number, since it is larger than the sum of its proper divisors (13017131746).

13230383870 is a wasteful number, since it uses less digits than its factorization.

13230383870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240076.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 13230383870 in words is "thirteen billion, two hundred thirty million, three hundred eighty-three thousand, eight hundred seventy".

Divisors: 1 2 5 10 11 22 55 97 110 194 485 970 1067 2134 5335 10670 1239961 2479922 6199805 12399610 13639571 27279142 68197855 120276217 136395710 240552434 601381085 1202762170 1323038387 2646076774 6615191935 13230383870