Search a number
-
+
102230112122312 = 2312778764015289
BaseRepresentation
bin10111001111101001001101…
…100001001011010111001000
3111101222002210021201101000112
4113033221031201023113020
5101344414232200403222
61001231510513053452
730350611323334346
oct2717511541132710
9441862707641015
10102230112122312
112a634602183359
12b570a69857288
13450734838a925
141b35d6ca56996
15bc438e5e6be2
hex5cfa4d84b5c8

102230112122312 has 8 divisors (see below), whose sum is σ = 191681460229350. Its totient is φ = 51115056061152.

The previous prime is 102230112122311. The next prime is 102230112122351. The reversal of 102230112122312 is 213221211032201.

It can be written as a sum of positive squares in only one way, i.e., 83995282031236 + 18234830091076 = 9164894^2 + 4270226^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (102230112122311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6389382007637 + ... + 6389382007652.

Almost surely, 2102230112122312 is an apocalyptic number.

It is an amenable number.

102230112122312 is a deficient number, since it is larger than the sum of its proper divisors (89451348107038).

102230112122312 is a wasteful number, since it uses less digits than its factorization.

102230112122312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12778764015295 (or 12778764015291 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 102230112122312 its reverse (213221211032201), we get a palindrome (315451323154513).

The spelling of 102230112122312 in words is "one hundred two trillion, two hundred thirty billion, one hundred twelve million, one hundred twenty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 12778764015289 25557528030578 51115056061156 102230112122312