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101221013202 = 2361727342251
BaseRepresentation
bin101111001000100111…
…1100001011011010010
3100200021021012020110220
41132101033201123102
53124300034410302
6114300021333510
710212231262521
oct1362117413322
9320237166426
10101221013202
1139a22694421
121774a867296
13971178056a
144c832a04b8
1529765264bc
hex17913e16d2

101221013202 has 16 divisors (see below), whose sum is σ = 202770140832. Its totient is φ = 33685652000.

The previous prime is 101221013141. The next prime is 101221013207. The reversal of 101221013202 is 202310122101.

It is not an unprimeable number, because it can be changed into a prime (101221013207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13667424 + ... + 13674827.

It is an arithmetic number, because the mean of its divisors is an integer number (12673133802).

Almost surely, 2101221013202 is an apocalyptic number.

101221013202 is an abundant number, since it is smaller than the sum of its proper divisors (101549127630).

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

101221013202 is a wasteful number, since it uses less digits than its factorization.

101221013202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27342873.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 101221013202 its reverse (202310122101), we get a palindrome (303531135303).

The spelling of 101221013202 in words is "one hundred one billion, two hundred twenty-one million, thirteen thousand, two hundred two".

Divisors: 1 2 3 6 617 1234 1851 3702 27342251 54684502 82026753 164053506 16870168867 33740337734 50610506601 101221013202