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102031222030 = 25174631296293
BaseRepresentation
bin101111100000110001…
…0001110010100001110
3100202100201202010001021
41133001202032110032
53132424443101110
6114512243104354
710241300035423
oct1370142162416
9322321663037
10102031222030
113a2a8a682a1
12179360720ba
13981059907a
144d1cb25d4a
1529c27182da
hex17c188e50e

102031222030 has 32 divisors (see below), whose sum is σ = 194879654784. Its totient is φ = 38328761856.

The previous prime is 102031221983. The next prime is 102031222039. The reversal of 102031222030 is 30222130201.

It is a junction number, because it is equal to n+sod(n) for n = 102031221995 and 102031222013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102031222039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569437 + ... + 726856.

It is an arithmetic number, because the mean of its divisors is an integer number (6089989212).

Almost surely, 2102031222030 is an apocalyptic number.

102031222030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102031222030 is a deficient number, since it is larger than the sum of its proper divisors (92848432754).

102031222030 is a wasteful number, since it uses less digits than its factorization.

102031222030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296780.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 102031222030 its reverse (30222130201), we get a palindrome (132253352231).

The spelling of 102031222030 in words is "one hundred two billion, thirty-one million, two hundred twenty-two thousand, thirty".

Divisors: 1 2 5 10 17 34 85 170 463 926 2315 4630 7871 15742 39355 78710 1296293 2592586 6481465 12962930 22036981 44073962 110184905 220369810 600183659 1200367318 3000918295 6001836590 10203122203 20406244406 51015611015 102031222030