Search a number
-
+
102140233111 = 7611631467511
BaseRepresentation
bin101111100100000001…
…0000100010110010111
3100202122022212110010201
41133020002010112113
53133140344424421
6114531135401331
710244062441120
oct1371002042627
9322568773121
10102140233111
113a3545539a4
1217966683247
13982a046277
144d2d3c1047
1529cc09cb91
hex17c8084597

102140233111 has 16 divisors (see below), whose sum is σ = 119373296128. Its totient is φ = 85585183200.

The previous prime is 102140233093. The next prime is 102140233171. The reversal of 102140233111 is 111332041201.

It is a cyclic number.

It is not a de Polignac number, because 102140233111 - 219 = 102139708823 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 (102140233171) 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, 664155 + ... + 803356.

It is an arithmetic number, because the mean of its divisors is an integer number (7460831008).

Almost surely, 2102140233111 is an apocalyptic number.

102140233111 is a deficient number, since it is larger than the sum of its proper divisors (17233063017).

102140233111 is a wasteful number, since it uses less digits than its factorization.

102140233111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467742.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 102140233111 its reverse (111332041201), we get a palindrome (213472274312).

The spelling of 102140233111 in words is "one hundred two billion, one hundred forty million, two hundred thirty-three thousand, one hundred eleven".

Divisors: 1 7 61 163 427 1141 9943 69601 1467511 10272577 89518171 239204293 626627197 1674430051 14591461873 102140233111