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2220021012102 = 232663138942359
BaseRepresentation
bin100000010011100011100…
…100000101011010000110
321212020021002012022220020
4200103203210011122012
5242333100334341402
64415510310520010
7316251122151525
oct40234344053206
97766232168806
102220021012102
11786561a92783
122ba308666006
1313146870716a
14796419664bc
153cb33e6d8bc
hex204e3905686

2220021012102 has 16 divisors (see below), whose sum is σ = 4441709364480. Its totient is φ = 739729113992.

The previous prime is 2220021012067. The next prime is 2220021012107. The reversal of 2220021012102 is 2012101200222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220021012107) 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, 69455202 + ... + 69487157.

It is an arithmetic number, because the mean of its divisors is an integer number (277606835280).

Almost surely, 22220021012102 is an apocalyptic number.

2220021012102 is an abundant number, since it is smaller than the sum of its proper divisors (2221688352378).

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

2220021012102 is a wasteful number, since it uses less digits than its factorization.

2220021012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138945027.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2220021012102 its reverse (2012101200222), we get a palindrome (4232122212324).

The spelling of 2220021012102 in words is "two trillion, two hundred twenty billion, twenty-one million, twelve thousand, one hundred two".

Divisors: 1 2 3 6 2663 5326 7989 15978 138942359 277884718 416827077 833654154 370003502017 740007004034 1110010506051 2220021012102