Search a number
-
+
42692730865 = 5191672691001
BaseRepresentation
bin100111110000101011…
…110101111111110001
311002012022220102211021
4213300223311333301
51144413314341430
631340205215441
73040652140051
oct476053657761
9132168812737
1042692730865
1117118a2a654
128335861581
134044bc2435
1420d006b561
15119d0d307a
hex9f0af5ff1

42692730865 has 16 divisors (see below), whose sum is σ = 54250600320. Its totient is φ = 32162832000.

The previous prime is 42692730859. The next prime is 42692730881. The reversal of 42692730865 is 56803729624.

It is not a de Polignac number, because 42692730865 - 213 = 42692722673 is a prime.

It is a super-2 number, since 2×426927308652 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1329636 + ... + 1361365.

It is an arithmetic number, because the mean of its divisors is an integer number (3390662520).

Almost surely, 242692730865 is an apocalyptic number.

It is an amenable number.

42692730865 is a deficient number, since it is larger than the sum of its proper divisors (11557869455).

42692730865 is a wasteful number, since it uses less digits than its factorization.

42692730865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691192.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 42692730865 in words is "forty-two billion, six hundred ninety-two million, seven hundred thirty thousand, eight hundred sixty-five".

Divisors: 1 5 19 95 167 835 3173 15865 2691001 13455005 51129019 255645095 449397167 2246985835 8538546173 42692730865