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2930125697 = 15729363697
BaseRepresentation
bin1010111010100110…
…0010101110000001
321120012112210210222
42232221202232001
522000103010242
61202430432425
7132416441342
oct25651425601
97505483728
102930125697
111273a85894
12699362715
1337908acb5
141db2180c9
151223905d2
hexaea62b81

2930125697 has 8 divisors (see below), whose sum is σ = 2958899496. Its totient is φ = 2901480192.

The previous prime is 2930125691. The next prime is 2930125711. The reversal of 2930125697 is 7965210392.

It can be written as a sum of positive squares in 4 ways, for example, as 212693056 + 2717432641 = 14584^2 + 52129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2930125697 - 220 = 2929077121 is a prime.

It is a Duffinian number.

2930125697 is a modest number, since divided by 125697 gives 2930 as remainder.

It is not an unprimeable number, because it can be changed into a prime (2930125691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14153 + ... + 77849.

It is an arithmetic number, because the mean of its divisors is an integer number (369862437).

Almost surely, 22930125697 is an apocalyptic number.

It is an amenable number.

2930125697 is a deficient number, since it is larger than the sum of its proper divisors (28773799).

2930125697 is a wasteful number, since it uses less digits than its factorization.

2930125697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64147.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 2930125697 is about 54130.6354756713. The cubic root of 2930125697 is about 1430.9641397734.

The spelling of 2930125697 in words is "two billion, nine hundred thirty million, one hundred twenty-five thousand, six hundred ninety-seven".

Divisors: 1 157 293 46001 63697 10000429 18663221 2930125697