Search a number
-
+
102818373839 = 4323910004707
BaseRepresentation
bin101111111000001110…
…0111110000011001111
3100211101120220120022222
41133300130332003033
53141033000430324
6115122322325555
710266635520566
oct1376034760317
9324346816288
10102818373839
113a672323085
1217b157b98bb
1399076a0b7c
144d954a8bdd
152a1b8a355e
hex17f073e0cf

102818373839 has 8 divisors (see below), whose sum is σ = 105649716480. Its totient is φ = 100007041176.

The previous prime is 102818373811. The next prime is 102818373869. The reversal of 102818373839 is 938373818201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102818373839 - 220 = 102817325263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102818373869) 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, 4992077 + ... + 5012630.

It is an arithmetic number, because the mean of its divisors is an integer number (13206214560).

Almost surely, 2102818373839 is an apocalyptic number.

102818373839 is a deficient number, since it is larger than the sum of its proper divisors (2831342641).

102818373839 is a wasteful number, since it uses less digits than its factorization.

102818373839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10004989.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 102818373839 in words is "one hundred two billion, eight hundred eighteen million, three hundred seventy-three thousand, eight hundred thirty-nine".

Divisors: 1 43 239 10277 10004707 430202401 2391124973 102818373839