Search a number
-
+
102120202210201 = 7531019270124249
BaseRepresentation
bin10111001110000010110110…
…011000001000101110011001
3111101120121002110211022222221
4113032002312120020232121
5101341114133231211301
61001105212342144041
730336640544443660
oct2716026630105631
9441517073738887
10102120202210201
112a5a1a3097464a
12b5536b5122021
1344c9b80743986
141b30903803dd7
15bc15aa396da1
hex5ce0b6608b99

102120202210201 has 16 divisors (see below), whose sum is σ = 119027549520000. Its totient is φ = 85795783152768.

The previous prime is 102120202210049. The next prime is 102120202210211. The reversal of 102120202210201 is 102012202021201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102120202210201 - 231 = 102118054726553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102120202210211) 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, 134684076 + ... + 135440173.

It is an arithmetic number, because the mean of its divisors is an integer number (7439221845000).

Almost surely, 2102120202210201 is an apocalyptic number.

It is an amenable number.

102120202210201 is a deficient number, since it is larger than the sum of its proper divisors (16907347309799).

102120202210201 is a wasteful number, since it uses less digits than its factorization.

102120202210201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270125328.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102120202210201 its reverse (102012202021201), we get a palindrome (204132404231402).

The spelling of 102120202210201 in words is "one hundred two trillion, one hundred twenty billion, two hundred two million, two hundred ten thousand, two hundred one".

Divisors: 1 7 53 371 1019 7133 54007 378049 270124249 1890869743 14316585197 100216096379 275256609731 1926796268117 14588600315743 102120202210201