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102021232201 = 7172539337661
BaseRepresentation
bin101111100000011110…
…0000111011001001001
3100202100000221120120121
41133000330013121021
53132414413412301
6114511245023241
710241116110520
oct1370074073111
9322300846517
10102021232201
113a2a3364839
1217932854b21
13980b4ac025
144d1b6854b7
1529c18e33a1
hex17c0f07649

102021232201 has 16 divisors (see below), whose sum is σ = 123503253120. Its totient is φ = 82270183680.

The previous prime is 102021232189. The next prime is 102021232211. The reversal of 102021232201 is 102232120201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102021232201 - 25 = 102021232169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102021232211) 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, 133311 + ... + 470971.

It is an arithmetic number, because the mean of its divisors is an integer number (7718953320).

Almost surely, 2102021232201 is an apocalyptic number.

It is an amenable number.

102021232201 is a deficient number, since it is larger than the sum of its proper divisors (21482020919).

102021232201 is a wasteful number, since it uses less digits than its factorization.

102021232201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340224.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102021232201 its reverse (102232120201), we get a palindrome (204253352402).

The spelling of 102021232201 in words is "one hundred two billion, twenty-one million, two hundred thirty-two thousand, two hundred one".

Divisors: 1 7 17 119 2539 17773 43163 302141 337661 2363627 5740237 40181659 857321279 6001248953 14574461743 102021232201