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10211200220 = 2251339273847
BaseRepresentation
bin10011000001010001…
…01000110011011100
3222100122011201100202
421200220220303130
5131403031401340
64405125243032
7511020525014
oct114050506334
928318151322
1010211200220
11436aa57951
121b8b863478
13c69696710
146cc21cc44
153eb6cac15
hex260a28cdc

10211200220 has 24 divisors (see below), whose sum is σ = 23093022624. Its totient is φ = 3770289216.

The previous prime is 10211200217. The next prime is 10211200253. The reversal of 10211200220 is 2200211201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19636664 + ... + 19637183.

It is an arithmetic number, because the mean of its divisors is an integer number (962209276).

Almost surely, 210211200220 is an apocalyptic number.

10211200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211200220 is an abundant number, since it is smaller than the sum of its proper divisors (12881822404).

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

10211200220 is a wasteful number, since it uses less digits than its factorization.

10211200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39273869 (or 39273867 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10211200220 its reverse (2200211201), we get a palindrome (12411411421).

The spelling of 10211200220 in words is "ten billion, two hundred eleven million, two hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 39273847 78547694 157095388 196369235 392738470 510560011 785476940 1021120022 2042240044 2552800055 5105600110 10211200220