Search a number
-
+
102022210201220 = 2255101110510061
BaseRepresentation
bin10111001100100111100101…
…100110010010011010000100
3111101020020011020120111120222
4113030213211212102122010
5101333012441302414340
61000552204545243512
730326601322221461
oct2714474546223204
9441206136514528
10102022210201220
112a564415a43961
12b538707933598
1344c0864c488ca
141b29c8931c668
15bbdc7259c8b5
hex5cc9e5992684

102022210201220 has 12 divisors (see below), whose sum is σ = 214246641422604. Its totient is φ = 40808884080480.

The previous prime is 102022210201213. The next prime is 102022210201231. The reversal of 102022210201220 is 22102012220201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18974857968196 + 83047352233024 = 4356014^2 + 9113032^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2550555255011 + ... + 2550555255050.

It is an arithmetic number, because the mean of its divisors is an integer number (17853886785217).

Almost surely, 2102022210201220 is an apocalyptic number.

102022210201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102022210201220 is an abundant number, since it is smaller than the sum of its proper divisors (112224431221384).

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

102022210201220 is a wasteful number, since it uses less digits than its factorization.

102022210201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101110510070 (or 5101110510068 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102022210201220 its reverse (22102012220201), we get a palindrome (124124222421421).

The spelling of 102022210201220 in words is "one hundred two trillion, twenty-two billion, two hundred ten million, two hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 5101110510061 10202221020122 20404442040244 25505552550305 51011105100610 102022210201220