Search a number
-
+
79219498445380 = 2253960974922269
BaseRepresentation
bin10010000000110010111010…
…000100000110101001000100
3101101111022101001110221022001
4102000302322010012221010
540340413013100223010
6440252533555315044
722454264010301666
oct2200627204065104
9341438331427261
1079219498445380
1123272889696017
128a753298aba84
13352849c6b28b7
14157c35c076536
15925a3333dc3a
hex480cba106a44

79219498445380 has 12 divisors (see below), whose sum is σ = 166360946735340. Its totient is φ = 31687799378144.

The previous prime is 79219498445377. The next prime is 79219498445411. The reversal of 79219498445380 is 8354489491297.

It can be written as a sum of positive squares in 2 ways, for example, as 36771901952256 + 42447596493124 = 6063984^2 + 6515182^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1980487461115 + ... + 1980487461154.

It is an arithmetic number, because the mean of its divisors is an integer number (13863412227945).

Almost surely, 279219498445380 is an apocalyptic number.

It is an amenable number.

79219498445380 is an abundant number, since it is smaller than the sum of its proper divisors (87141448289960).

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

79219498445380 is a wasteful number, since it uses less digits than its factorization.

79219498445380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960974922278 (or 3960974922276 counting only the distinct ones).

The product of its (nonzero) digits is 627056640, while the sum is 73.

The spelling of 79219498445380 in words is "seventy-nine trillion, two hundred nineteen billion, four hundred ninety-eight million, four hundred forty-five thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 3960974922269 7921949844538 15843899689076 19804874611345 39609749222690 79219498445380