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102205436051231 = 1077018113610393
BaseRepresentation
bin10111001111010010001110…
…101101011011111100011111
3111101212202002120100002010222
4113033102032231123330133
5101344013213112114411
61001212310143151555
730346045661234222
oct2717221655337437
9441782076302128
10102205436051231
112a62509a184987
12b5681218a55bb
134504c14caca36
141b34aab7115b9
15bc38e80ad4db
hex5cf48eb5bf1f

102205436051231 has 8 divisors (see below), whose sum is σ = 103162104544464. Its totient is φ = 101248794919360.

The previous prime is 102205436051227. The next prime is 102205436051263. The reversal of 102205436051231 is 132150634502201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102205436051231 - 22 = 102205436051227 is a prime.

It is a super-2 number, since 2×1022054360512312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102205436051191 and 102205436051200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102205436051431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704171 + ... + 14314563.

It is an arithmetic number, because the mean of its divisors is an integer number (12895263068058).

Almost surely, 2102205436051231 is an apocalyptic number.

102205436051231 is a deficient number, since it is larger than the sum of its proper divisors (956668493233).

102205436051231 is a wasteful number, since it uses less digits than its factorization.

102205436051231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13680681.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 102205436051231 in words is "one hundred two trillion, two hundred five billion, four hundred thirty-six million, fifty-one thousand, two hundred thirty-one".

Divisors: 1 107 70181 7509367 13610393 1456312051 955190991133 102205436051231