Search a number
-
+
67513380774 = 2376126351827
BaseRepresentation
bin111110111000000111…
…000110111110100110
320110021010100002120020
4332320013012332212
52101231411141044
651003142020010
74610021160630
oct767007067646
9213233302506
1067513380774
11266a55a8264
1211102117606
13649c221828
1433a6689a50
151b52179a19
hexfb81c6fa6

67513380774 has 32 divisors (see below), whose sum is σ = 156846080256. Its totient is φ = 18973314720.

The previous prime is 67513380761. The next prime is 67513380793. The reversal of 67513380774 is 47708331576.

It is a super-2 number, since 2×675133807742 (a number of 22 digits) 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, 13173352 + ... + 13178475.

It is an arithmetic number, because the mean of its divisors is an integer number (4901440008).

Almost surely, 267513380774 is an apocalyptic number.

67513380774 is an abundant number, since it is smaller than the sum of its proper divisors (89332699482).

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

67513380774 is a wasteful number, since it uses less digits than its factorization.

67513380774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26351900.

The product of its (nonzero) digits is 2963520, while the sum is 51.

The spelling of 67513380774 in words is "sixty-seven billion, five hundred thirteen million, three hundred eighty thousand, seven hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 61 122 183 366 427 854 1281 2562 26351827 52703654 79055481 158110962 184462789 368925578 553388367 1106776734 1607461447 3214922894 4822384341 9644768682 11252230129 22504460258 33756690387 67513380774