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102102203132 = 22145917495237
BaseRepresentation
bin101111100010111000…
…0111111101011111100
3100202112200022022210222
41133011300333223330
53133101131000012
6114523300320512
710243121256416
oct1370560775374
9322480268728
10102102203132
113a335039466
12179559a3138
1398221bc317
144d283219b6
1529c8a89972
hex17c5c3fafc

102102203132 has 12 divisors (see below), whose sum is σ = 178801332360. Its totient is φ = 51016108176.

The previous prime is 102102203131. The next prime is 102102203143. The reversal of 102102203132 is 231302201201.

It is a self number, because there is not a number n which added to its sum of digits gives 102102203132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102203131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8741783 + ... + 8753454.

It is an arithmetic number, because the mean of its divisors is an integer number (14900111030).

Almost surely, 2102102203132 is an apocalyptic number.

It is an amenable number.

102102203132 is a deficient number, since it is larger than the sum of its proper divisors (76699129228).

102102203132 is a wasteful number, since it uses less digits than its factorization.

102102203132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17496700 (or 17496698 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 102102203132 its reverse (231302201201), we get a palindrome (333404404333).

The spelling of 102102203132 in words is "one hundred two billion, one hundred two million, two hundred three thousand, one hundred thirty-two".

Divisors: 1 2 4 1459 2918 5836 17495237 34990474 69980948 25525550783 51051101566 102102203132