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8260801025 = 52330432041
BaseRepresentation
bin1111011000110000…
…11101001000000001
3210022201011011122112
413230120131020001
5113404231113100
63443413345105
7411465436001
oct75430351001
923281134575
108260801025
11355a009094
121726638195
13a18597b59
14585196001
15335364b35
hex1ec61d201

8260801025 has 6 divisors (see below), whose sum is σ = 10243393302. Its totient is φ = 6608640800.

The previous prime is 8260800923. The next prime is 8260801027. The reversal of 8260801025 is 5201080628.

It can be written as a sum of positive squares in 3 ways, for example, as 1632887281 + 6627913744 = 40409^2 + 81412^2 .

It is not a de Polignac number, because 8260801025 - 210 = 8260800001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8260800982 and 8260801000.

It is not an unprimeable number, because it can be changed into a prime (8260801027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 165215996 + ... + 165216045.

It is an arithmetic number, because the mean of its divisors is an integer number (1707232217).

Almost surely, 28260801025 is an apocalyptic number.

It is an amenable number.

8260801025 is a deficient number, since it is larger than the sum of its proper divisors (1982592277).

8260801025 is a wasteful number, since it uses less digits than its factorization.

8260801025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330432051 (or 330432046 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 8260801025 is about 90888.9488606838. The cubic root of 8260801025 is about 2021.5014345426.

The spelling of 8260801025 in words is "eight billion, two hundred sixty million, eight hundred one thousand, twenty-five".

Divisors: 1 5 25 330432041 1652160205 8260801025