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102022201012 = 2231381487381
BaseRepresentation
bin101111100000011111…
…1110011111010110100
3100202100002202210112111
41133000333303322310
53132420140413022
6114511321500404
710241130254164
oct1370077637264
9322302683474
10102022201012
113a2a3966706
1217933041704
13980b75aca4
144d1b8585a4
1529c1a35477
hex17c0ff3eb4

102022201012 has 12 divisors (see below), whose sum is σ = 179109265636. Its totient is φ = 50848125120.

The previous prime is 102022201009. The next prime is 102022201027. The reversal of 102022201012 is 210102220201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49820918436 + 52201282576 = 223206^2 + 228476^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102022200983 and 102022201001.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 40742439 + ... + 40744942.

Almost surely, 2102022201012 is an apocalyptic number.

It is an amenable number.

102022201012 is a deficient number, since it is larger than the sum of its proper divisors (77087064624).

102022201012 is a wasteful number, since it uses less digits than its factorization.

102022201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81487698 (or 81487696 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102022201012 its reverse (210102220201), we get a palindrome (312124421213).

The spelling of 102022201012 in words is "one hundred two billion, twenty-two million, two hundred one thousand, twelve".

Divisors: 1 2 4 313 626 1252 81487381 162974762 325949524 25505550253 51011100506 102022201012