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102221345202 = 23171002170051
BaseRepresentation
bin101111100110011011…
…1011111000110110010
3100202211222111101000020
41133030313133012302
53133322131021302
6114543154104310
710246066045404
oct1371467370662
9322758441006
10102221345202
113a396314689
121798987b096
139840aa58a2
144d3a096b74
1529d4270ebc
hex17ccddf1b2

102221345202 has 16 divisors (see below), whose sum is σ = 216468731232. Its totient is φ = 32069441600.

The previous prime is 102221345137. The next prime is 102221345203. The reversal of 102221345202 is 202543122201.

It is not an unprimeable number, because it can be changed into a prime (102221345203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501084924 + ... + 501085127.

It is an arithmetic number, because the mean of its divisors is an integer number (13529295702).

Almost surely, 2102221345202 is an apocalyptic number.

102221345202 is an abundant number, since it is smaller than the sum of its proper divisors (114247386030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102221345202 is a wasteful number, since it uses less digits than its factorization.

102221345202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002170073.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 102221345202 its reverse (202543122201), we get a palindrome (304764467403).

The spelling of 102221345202 in words is "one hundred two billion, two hundred twenty-one million, three hundred forty-five thousand, two hundred two".

Divisors: 1 2 3 6 17 34 51 102 1002170051 2004340102 3006510153 6013020306 17036890867 34073781734 51110672601 102221345202