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5120400204 = 2233172788889
BaseRepresentation
bin1001100010011001…
…10001101101001100
3111012211221021121000
410301030301231030
540441310301304
62204031540300
7240613453323
oct46114615514
914184837530
105120400204
112198372507
12baa98a690
13637a95a0a
143680830ba
151ee7da939
hex131331b4c

5120400204 has 48 divisors (see below), whose sum is σ = 14056005600. Its totient is φ = 1606399488.

The previous prime is 5120400179. The next prime is 5120400209. The reversal of 5120400204 is 4020040215.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (5120400209) 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, 1392609 + ... + 1396280.

It is an arithmetic number, because the mean of its divisors is an integer number (292833450).

Almost surely, 25120400204 is an apocalyptic number.

5120400204 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

5120400204 is an abundant number, since it is smaller than the sum of its proper divisors (8935605396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5120400204 is a wasteful number, since it uses less digits than its factorization.

5120400204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788919 (or 2788911 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 5120400204 is about 71556.9717358134. The cubic root of 5120400204 is about 1723.5926578024.

Adding to 5120400204 its reverse (4020040215), we get a palindrome (9140440419).

The spelling of 5120400204 in words is "five billion, one hundred twenty million, four hundred thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 17 18 27 34 36 51 54 68 102 108 153 204 306 459 612 918 1836 2788889 5577778 8366667 11155556 16733334 25100001 33466668 47411113 50200002 75300003 94822226 100400004 142233339 150600006 189644452 284466678 301200012 426700017 568933356 853400034 1280100051 1706800068 2560200102 5120400204