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102131032030 = 2528159361291
BaseRepresentation
bin101111100011101111…
…0111101111111011110
3100202121200112222121221
41133013132331333132
53133131021011110
6114530210243554
710243621306606
oct1370736757736
9322550488557
10102131032030
113a34a339aa5
12179635865ba
139828174241
144d2c0a7c06
1529cb3817da
hex17c77bdfde

102131032030 has 32 divisors (see below), whose sum is σ = 184804206048. Its totient is φ = 40637721600.

The previous prime is 102131032013. The next prime is 102131032033. The reversal of 102131032030 is 30230131201.

It is a junction number, because it is equal to n+sod(n) for n = 102131031995 and 102131032013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102131032033) 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, 1635685 + ... + 1696975.

It is an arithmetic number, because the mean of its divisors is an integer number (5775131439).

Almost surely, 2102131032030 is an apocalyptic number.

102131032030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102131032030 is a deficient number, since it is larger than the sum of its proper divisors (82673174018).

102131032030 is a wasteful number, since it uses less digits than its factorization.

102131032030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62172.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 102131032030 its reverse (30230131201), we get a palindrome (132361163231).

The spelling of 102131032030 in words is "one hundred two billion, one hundred thirty-one million, thirty-two thousand, thirty".

Divisors: 1 2 5 10 281 562 593 1186 1405 2810 2965 5930 61291 122582 166633 306455 333266 612910 833165 1666330 17222771 34445542 36345563 72691126 86113855 172227710 181727815 363455630 10213103203 20426206406 51065516015 102131032030