Search a number
-
+
87368043518 = 2754727114031
BaseRepresentation
bin101000101011110001…
…0101000101111111110
322100111211101110120122
41101113202220233332
52412412204343033
6104045240214542
76212030055020
oct1212742505776
9270454343518
1087368043518
1134063a8a248
1214b2346a452
138314770992
14432b53c010
152415287a98
hex14578a8bfe

87368043518 has 16 divisors (see below), whose sum is σ = 149777839104. Its totient is φ = 37442434680.

The previous prime is 87368043517. The next prime is 87368043563. The reversal of 87368043518 is 81534086378.

It is a self number, because there is not a number n which added to its sum of digits gives 87368043518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87368043517) 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, 709163 + ... + 823193.

It is an arithmetic number, because the mean of its divisors is an integer number (9361114944).

Almost surely, 287368043518 is an apocalyptic number.

87368043518 is a deficient number, since it is larger than the sum of its proper divisors (62409795586).

87368043518 is a wasteful number, since it uses less digits than its factorization.

87368043518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168767.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 87368043518 in words is "eighty-seven billion, three hundred sixty-eight million, forty-three thousand, five hundred eighteen".

Divisors: 1 2 7 14 54727 109454 114031 228062 383089 766178 798217 1596434 6240574537 12481149074 43684021759 87368043518