Search a number
-
+
1269080285 = 51143536609
BaseRepresentation
bin100101110100100…
…1010000011011101
310021102222221212112
41023221022003131
510044341032120
6325532443405
743310001344
oct11351120335
93242887775
101269080285
115a13a9890
122b5019565
13172c004a5
14c0792b5b
1576633bc5
hex4ba4a0dd

1269080285 has 16 divisors (see below), whose sum is σ = 1699980480. Its totient is φ = 901501440.

The previous prime is 1269080249. The next prime is 1269080291. The reversal of 1269080285 is 5820809621.

It is not a de Polignac number, because 1269080285 - 216 = 1269014749 is a prime.

It is a super-2 number, since 2×12690802852 = 3221129539551362450, which contains 22 as substring.

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, 265940 + ... + 270669.

It is an arithmetic number, because the mean of its divisors is an integer number (106248780).

Almost surely, 21269080285 is an apocalyptic number.

It is an amenable number.

1269080285 is a deficient number, since it is larger than the sum of its proper divisors (430900195).

1269080285 is a wasteful number, since it uses less digits than its factorization.

1269080285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536668.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 1269080285 is about 35624.1531127408. The cubic root of 1269080285 is about 1082.6706552860.

The spelling of 1269080285 in words is "one billion, two hundred sixty-nine million, eighty thousand, two hundred eighty-five".

Divisors: 1 5 11 43 55 215 473 2365 536609 2683045 5902699 23074187 29513495 115370935 253816057 1269080285