Search a number
-
+
6425404705 = 519221116871
BaseRepresentation
bin1011111101111101…
…11110010100100001
3121120210112101020001
411332332332110201
5101124400422310
62541330420001
7315141016216
oct57676762441
917523471201
106425404705
1127a7a78725
1212b3a31601
137b5263825
1444d507b0d
1527916893a
hex17efbe521

6425404705 has 24 divisors (see below), whose sum is σ = 8176711104. Its totient is φ = 4846413600.

The previous prime is 6425404697. The next prime is 6425404753. The reversal of 6425404705 is 5074045246.

It is not a de Polignac number, because 6425404705 - 23 = 6425404697 is a prime.

It is a super-2 number, since 2×64254047052 = 82571651246072274050, which contains 22 as substring.

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, 372420 + ... + 389290.

It is an arithmetic number, because the mean of its divisors is an integer number (340696296).

Almost surely, 26425404705 is an apocalyptic number.

It is an amenable number.

6425404705 is a deficient number, since it is larger than the sum of its proper divisors (1751306399).

6425404705 is a wasteful number, since it uses less digits than its factorization.

6425404705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17125 (or 17106 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 37.

The square root of 6425404705 is about 80158.6221500844. The cubic root of 6425404705 is about 1859.0889191405.

The spelling of 6425404705 in words is "six billion, four hundred twenty-five million, four hundred four thousand, seven hundred five".

Divisors: 1 5 19 95 211 361 1055 1805 4009 16871 20045 76171 84355 320549 380855 1602745 3559781 6090431 17798905 30452155 67635839 338179195 1285080941 6425404705