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102112220203 = 7612933832131
BaseRepresentation
bin101111100011001011…
…1001101010000101011
3100202120101011020122121
41133012113031100223
53133111212021303
6114524255132111
710243302356620
oct1370627152053
9322511136577
10102112220203
113a33a760434
1217959214037
1398242b8896
144d297ac347
1529c98b79bd
hex17c65cd42b

102112220203 has 32 divisors (see below), whose sum is σ = 119384358912. Its totient is φ = 85531939200.

The previous prime is 102112220191. The next prime is 102112220209. The reversal of 102112220203 is 302022211201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102112220203 - 29 = 102112219691 is a prime.

It is a super-2 number, since 2×1021122202032 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102112220209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47916448 + ... + 47918578.

It is an arithmetic number, because the mean of its divisors is an integer number (3730761216).

Almost surely, 2102112220203 is an apocalyptic number.

102112220203 is a deficient number, since it is larger than the sum of its proper divisors (17272138709).

102112220203 is a wasteful number, since it uses less digits than its factorization.

102112220203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875.

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

Adding to 102112220203 its reverse (302022211201), we get a palindrome (404134431404).

The spelling of 102112220203 in words is "one hundred two billion, one hundred twelve million, two hundred twenty thousand, two hundred three".

Divisors: 1 7 61 293 383 427 2051 2131 2681 14917 17873 23363 112219 125111 129991 163541 624383 785533 816173 909937 4370681 5713211 6845359 38087363 47917513 49786553 239138689 266611541 348505871 1673970823 14587460029 102112220203