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2739399125 = 53171289129
BaseRepresentation
bin1010001101000111…
…1110100111010101
321001220122220010212
42203101332213111
521102241233000
61131454455205
7124612336241
oct24321764725
97056586125
102739399125
111186357121
12645504505
133486cc938
141bdb6b421
15110768c35
hexa347e9d5

2739399125 has 16 divisors (see below), whose sum is σ = 3619877040. Its totient is φ = 2062604800.

The previous prime is 2739399109. The next prime is 2739399137. The reversal of 2739399125 is 5219939372.

It can be written as a sum of positive squares in 8 ways, for example, as 1389351076 + 1350048049 = 37274^2 + 36743^2 .

It is not a de Polignac number, because 2739399125 - 24 = 2739399109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642440 + ... + 646689.

It is an arithmetic number, because the mean of its divisors is an integer number (226242315).

Almost surely, 22739399125 is an apocalyptic number.

2739399125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2739399125 is a deficient number, since it is larger than the sum of its proper divisors (880477915).

2739399125 is a wasteful number, since it uses less digits than its factorization.

2739399125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289161 (or 1289151 counting only the distinct ones).

The product of its digits is 918540, while the sum is 50.

The square root of 2739399125 is about 52339.2694351001. The cubic root of 2739399125 is about 1399.2171005387.

The spelling of 2739399125 in words is "two billion, seven hundred thirty-nine million, three hundred ninety-nine thousand, one hundred twenty-five".

Divisors: 1 5 17 25 85 125 425 2125 1289129 6445645 21915193 32228225 109575965 161141125 547879825 2739399125