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7828038725 = 521333917103
BaseRepresentation
bin1110100101001011…
…00110010001000101
3202012112211120101012
413102211212101011
5112012434214400
63332434012005
7364662142223
oct72245462105
922175746335
107828038725
1133577a63a1
121625717005
13979a251a0
14543903b13
1530c37dd35
hex1d2966445

7828038725 has 24 divisors (see below), whose sum is σ = 10457997312. Its totient is φ = 5778187200.

The previous prime is 7828038719. The next prime is 7828038769. The reversal of 7828038725 is 5278308287.

It is a de Polignac number, because none of the positive numbers 2k-7828038725 is a prime.

It is a super-2 number, since 2×78280387252 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1098524 + ... + 1105626.

It is an arithmetic number, because the mean of its divisors is an integer number (435749888).

Almost surely, 27828038725 is an apocalyptic number.

It is an amenable number.

7828038725 is a deficient number, since it is larger than the sum of its proper divisors (2629958587).

7828038725 is a wasteful number, since it uses less digits than its factorization.

7828038725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10517 (or 10512 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 50.

The square root of 7828038725 is about 88476.2042868024. The cubic root of 7828038725 is about 1985.5659737938.

The spelling of 7828038725 in words is "seven billion, eight hundred twenty-eight million, thirty-eight thousand, seven hundred twenty-five".

Divisors: 1 5 13 25 65 325 3391 7103 16955 35515 44083 84775 92339 177575 220415 461695 1102075 2308475 24086273 120431365 313121549 602156825 1565607745 7828038725