Search a number
-
+
78338012278362 = 2390491442848423
BaseRepresentation
bin10001110011111101111101…
…011001001110111001011010
3101021101001002202202000102120
4101303331331121032321122
540231442222120401422
6434335552551442110
722333506654432624
oct2163757531167132
9337331082660376
1078338012278362
1122a62a67732a41
128952521986336
133493320743565
14154b819833c14
1590cb4136745c
hex473f7d64ee5a

78338012278362 has 16 divisors (see below), whose sum is σ = 156693338846400. Its totient is φ = 26109785044512.

The previous prime is 78338012278319. The next prime is 78338012278369. The reversal of 78338012278362 is 26387221083387.

It is a super-2 number, since 2×783380122783622 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78338012278296 and 78338012278305.

It is not an unprimeable number, because it can be changed into a prime (78338012278369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721369918 + ... + 721478505.

It is an arithmetic number, because the mean of its divisors is an integer number (9793333677900).

Almost surely, 278338012278362 is an apocalyptic number.

78338012278362 is an abundant number, since it is smaller than the sum of its proper divisors (78355326568038).

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

78338012278362 is a wasteful number, since it uses less digits than its factorization.

78338012278362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442857477.

The product of its (nonzero) digits is 32514048, while the sum is 60.

The spelling of 78338012278362 in words is "seventy-eight trillion, three hundred thirty-eight billion, twelve million, two hundred seventy-eight thousand, three hundred sixty-two".

Divisors: 1 2 3 6 9049 18098 27147 54294 1442848423 2885696846 4328545269 8657090538 13056335379727 26112670759454 39169006139181 78338012278362