Search a number
-
+
245605460261 = 781234319401
BaseRepresentation
bin1110010010111100111…
…0011110100100100101
3212110221200000002220012
43210233032132210211
513010444444212021
6304455105220005
723513221652360
oct3445716364445
9773850002805
10245605460261
1195184974527
123b724931605
131a2117bb315
14bc5cd190d7
1565c710d35b
hex392f39e925

245605460261 has 8 divisors (see below), whose sum is σ = 280726574784. Its totient is φ = 210493000800.

The previous prime is 245605460213. The next prime is 245605460263. The reversal of 245605460261 is 162064506542.

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 245605460261 - 210 = 245605459237 is a prime.

It is a super-2 number, since 2×2456054602612 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245605460263) 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, 2102840 + ... + 2216561.

It is an arithmetic number, because the mean of its divisors is an integer number (35090821848).

Almost surely, 2245605460261 is an apocalyptic number.

It is an amenable number.

245605460261 is a deficient number, since it is larger than the sum of its proper divisors (35121114523).

245605460261 is an equidigital number, since it uses as much as digits as its factorization.

245605460261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4327531.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 245605460261 in words is "two hundred forty-five billion, six hundred five million, four hundred sixty thousand, two hundred sixty-one".

Divisors: 1 7 8123 56861 4319401 30235807 35086494323 245605460261