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2215150404020 = 225472356542983
BaseRepresentation
bin100000001111000001010…
…000001100000110110100
321211202200122021210200022
4200033001100030012310
5242243112000412040
64413343120504312
7316016330523131
oct40170120140664
97752618253608
102215150404020
11784492721844
122b938947b098
13130b70610348
14792dcb47588
153c94b5756b5
hex203c140c1b4

2215150404020 has 24 divisors (see below), whose sum is σ = 4750790655744. Its totient is φ = 867207817376.

The previous prime is 2215150403993. The next prime is 2215150404083. The reversal of 2215150404020 is 204040515122.

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, 1178270552 + ... + 1178272431.

It is an arithmetic number, because the mean of its divisors is an integer number (197949610656).

Almost surely, 22215150404020 is an apocalyptic number.

2215150404020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2215150404020 is an abundant number, since it is smaller than the sum of its proper divisors (2535640251724).

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

2215150404020 is a wasteful number, since it uses less digits than its factorization.

2215150404020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356543039 (or 2356543037 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 2215150404020 its reverse (204040515122), we get a palindrome (2419190919142).

The spelling of 2215150404020 in words is "two trillion, two hundred fifteen billion, one hundred fifty million, four hundred four thousand, twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 2356542983 4713085966 9426171932 11782714915 23565429830 47130859660 110757520201 221515040402 443030080804 553787601005 1107575202010 2215150404020