Search a number
-
+
768263587831361 = 57182911311143489
BaseRepresentation
bin1010111010101110110100111…
…0001111110001111001000001
310201202012021121100222211110002
42232223231032033301321001
51301144212311441100421
611321543230411445345
7320552132620243016
oct25653551617617101
93652167540884402
10768263587831361
112028798378164a6
12721ba769156855
1326c8ac3a28098b
14d7a02282cd70d
155dc4474138b0b
hex2babb4e3f1e41

768263587831361 has 16 divisors (see below), whose sum is σ = 770610909868800. Its totient is φ = 765919946188800.

The previous prime is 768263587831357. The next prime is 768263587831381. The reversal of 768263587831361 is 163138785362867.

It is a cyclic number.

It is not a de Polignac number, because 768263587831361 - 22 = 768263587831357 is a prime.

It is a super-2 number, since 2×7682635878313612 (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768263587831381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5354091905 + ... + 5354235393.

It is an arithmetic number, because the mean of its divisors is an integer number (48163181866800).

Almost surely, 2768263587831361 is an apocalyptic number.

It is an amenable number.

768263587831361 is a deficient number, since it is larger than the sum of its proper divisors (2347322037439).

768263587831361 is a wasteful number, since it uses less digits than its factorization.

768263587831361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156200.

The product of its digits is 1463132160, while the sum is 74.

The spelling of 768263587831361 in words is "seven hundred sixty-eight trillion, two hundred sixty-three billion, five hundred eighty-seven million, eight hundred thirty-one thousand, three hundred sixty-one".

Divisors: 1 571 829 11311 143489 473359 6458581 9376819 81932219 118952381 1623004079 5354163649 67921809551 926735329109 1345470381491 768263587831361