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5129200728 = 2332312298029
BaseRepresentation
bin1001100011011100…
…10110010001011000
3111020110111101122100
410301232112101120
541001033410403
62204544323400
7241051325661
oct46156262130
914213441570
105129200728
1121a2333473
12bb1913560
13639857622
143692d4368
152004782a3
hex131b96458

5129200728 has 48 divisors (see below), whose sum is σ = 14339707200. Its totient is φ = 1654580160.

The previous prime is 5129200723. The next prime is 5129200729. The reversal of 5129200728 is 8270029215.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5129200692 and 5129200701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5129200723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1146783 + ... + 1151246.

It is an arithmetic number, because the mean of its divisors is an integer number (298743900).

Almost surely, 25129200728 is an apocalyptic number.

It is an amenable number.

5129200728 is an abundant number, since it is smaller than the sum of its proper divisors (9210506472).

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

5129200728 is a wasteful number, since it uses less digits than its factorization.

5129200728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298072 (or 2298065 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 5129200728 is about 71618.4384638481. The cubic root of 5129200728 is about 1724.5795491976.

The spelling of 5129200728 in words is "five billion, one hundred twenty-nine million, two hundred thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 31 36 62 72 93 124 186 248 279 372 558 744 1116 2232 2298029 4596058 6894087 9192116 13788174 18384232 20682261 27576348 41364522 55152696 71238899 82729044 142477798 165458088 213716697 284955596 427433394 569911192 641150091 854866788 1282300182 1709733576 2564600364 5129200728