Search a number
-
+
102215523005 = 5661130723663
BaseRepresentation
bin101111100110010000…
…1010001101010111101
3100202211120112120110022
41133030201101222331
53133314133214010
6114542425221525
710245665416151
oct1371441215275
9322746476408
10102215523005
113a392aa8352
12179879318a5
13983c8177bb
144d393bd061
1529d39c0d55
hex17cc851abd

102215523005 has 16 divisors (see below), whose sum is σ = 122943377664. Its totient is φ = 81582790080.

The previous prime is 102215523001. The next prime is 102215523019. The reversal of 102215523005 is 500325512201.

It is not a de Polignac number, because 102215523005 - 22 = 102215523001 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 (102215523001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4307804 + ... + 4331466.

It is an arithmetic number, because the mean of its divisors is an integer number (7683961104).

Almost surely, 2102215523005 is an apocalyptic number.

It is an amenable number.

102215523005 is a deficient number, since it is larger than the sum of its proper divisors (20727854659).

102215523005 is a wasteful number, since it uses less digits than its factorization.

102215523005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25636.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 102215523005 in words is "one hundred two billion, two hundred fifteen million, five hundred twenty-three thousand, five".

Divisors: 1 5 661 1307 3305 6535 23663 118315 863927 4319635 15641243 30927541 78206215 154637705 20443104601 102215523005