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102012210222 = 23131319983579
BaseRepresentation
bin101111100000001100…
…1101100110000101110
3100202022101222012202020
41133000121230300232
53132410111211342
6114510323411010
710240646323416
oct1370031546056
9322271865666
10102012210222
113a29926245a
121792b823a66
139809670690
144d1a3b7646
1529c0c100ec
hex17c066cc2e

102012210222 has 32 divisors (see below), whose sum is σ = 221395870080. Its totient is φ = 31148763360.

The previous prime is 102012210221. The next prime is 102012210253. The reversal of 102012210222 is 222012210201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102012210221) 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, 4981572 + ... + 5002007.

It is an arithmetic number, because the mean of its divisors is an integer number (6918620940).

Almost surely, 2102012210222 is an apocalyptic number.

102012210222 is an abundant number, since it is smaller than the sum of its proper divisors (119383659858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102012210222 is a wasteful number, since it uses less digits than its factorization.

102012210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9983728.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102012210222 its reverse (222012210201), we get a palindrome (324024420423).

The spelling of 102012210222 in words is "one hundred two billion, twelve million, two hundred ten thousand, two hundred twenty-two".

Divisors: 1 2 3 6 13 26 39 78 131 262 393 786 1703 3406 5109 10218 9983579 19967158 29950737 59901474 129786527 259573054 389359581 778719162 1307848849 2615697698 3923546547 7847093094 17002035037 34004070074 51006105111 102012210222