Search a number
-
+
68476967844 = 22317335671411
BaseRepresentation
bin111111110001100010…
…111001101110100100
320112202021111101112020
4333301202321232210
52110220100432334
651242523023140
74642631423445
oct776142715644
9215667441466
1068476967844
112704a51050a
121133096aab0
1365c3a4caac
1434586392cc
151baba66e49
hexff18b9ba4

68476967844 has 24 divisors (see below), whose sum is σ = 169178391648. Its totient is φ = 21482970240.

The previous prime is 68476967773. The next prime is 68476967849. The reversal of 68476967844 is 44876967486.

It is not an unprimeable number, because it can be changed into a prime (68476967849) 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, 167835502 + ... + 167835909.

It is an arithmetic number, because the mean of its divisors is an integer number (7049099652).

Almost surely, 268476967844 is an apocalyptic number.

It is an amenable number.

68476967844 is an abundant number, since it is smaller than the sum of its proper divisors (100701423804).

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

68476967844 is a wasteful number, since it uses less digits than its factorization.

68476967844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335671435 (or 335671433 counting only the distinct ones).

The product of its digits is 390168576, while the sum is 69.

The spelling of 68476967844 in words is "sixty-eight billion, four hundred seventy-six million, nine hundred sixty-seven thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 335671411 671342822 1007014233 1342685644 2014028466 4028056932 5706413987 11412827974 17119241961 22825655948 34238483922 68476967844