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102102211099 = 7523108725657
BaseRepresentation
bin101111100010111000…
…1000001101000011011
3100202112200022201202001
41133011301001220123
53133101131223344
6114523300421431
710243121321560
oct1370561015033
9322480281661
10102102211099
113a335044449
12179559a7877
1398221c2b35
144d28324867
1529c8a8bed4
hex17c5c41a1b

102102211099 has 16 divisors (see below), whose sum is σ = 117023469568. Its totient is φ = 87265086912.

The previous prime is 102102211093. The next prime is 102102211181. The reversal of 102102211099 is 990112201201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102102211099 is a prime.

It is a super-2 number, since 2×1021022110992 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102102211093) 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, 3966679 + ... + 3992335.

It is an arithmetic number, because the mean of its divisors is an integer number (7313966848).

Almost surely, 2102102211099 is an apocalyptic number.

102102211099 is a deficient number, since it is larger than the sum of its proper divisors (14921258469).

102102211099 is a wasteful number, since it uses less digits than its factorization.

102102211099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27274.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 102102211099 in words is "one hundred two billion, one hundred two million, two hundred eleven thousand, ninety-nine".

Divisors: 1 7 523 1087 3661 7609 25657 179599 568501 3979507 13418611 27889159 93930277 195224113 14586030157 102102211099