Search a number
-
+
245317075074 = 23253257145781
BaseRepresentation
bin1110010001111000001…
…0011000000010000010
3212110012120100121210100
43210132002120002002
513004402132400244
6304410324143230
723503120506261
oct3443602300202
9773176317710
10245317075074
1195047103465
123b664237b16
131a196b290b6
14bc328ca5d8
1565abb45b69
hex391e098082

245317075074 has 24 divisors (see below), whose sum is σ = 541549016892. Its totient is φ = 80229483360.

The previous prime is 245317075037. The next prime is 245317075099. The reversal of 245317075074 is 470570713542.

245317075074 is a `hidden beast` number, since 2 + 45 + 31 + 70 + 7 + 507 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 214707123225 + 30609951849 = 463365^2 + 174957^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128571937 + ... + 128573844.

Almost surely, 2245317075074 is an apocalyptic number.

245317075074 is an abundant number, since it is smaller than the sum of its proper divisors (296231941818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245317075074 is a wasteful number, since it uses less digits than its factorization.

245317075074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257145842 (or 257145839 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 45.

The spelling of 245317075074 in words is "two hundred forty-five billion, three hundred seventeen million, seventy-five thousand, seventy-four".

Divisors: 1 2 3 6 9 18 53 106 159 318 477 954 257145781 514291562 771437343 1542874686 2314312029 4628624058 13628726393 27257452786 40886179179 81772358358 122658537537 245317075074