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2212145315020 = 225110607265751
BaseRepresentation
bin100000001100001110001…
…000101011110011001100
321211110221012200110112201
4200030032020223303030
5242220433200040040
64412125011211244
7315552010633534
oct40141610536314
97743835613481
102212145315020
117831903a5a13
122b888aba6b24
131307b1b66684
14790d59b84c4
153c822828a9a
hex2030e22bccc

2212145315020 has 12 divisors (see below), whose sum is σ = 4645505161584. Its totient is φ = 884858126000.

The previous prime is 2212145315011. The next prime is 2212145315027. The reversal of 2212145315020 is 205135412122.

It is a happy number.

It is a super-4 number, since 4×22121453150204 (a number of 50 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2212145315020.

It is not an unprimeable number, because it can be changed into a prime (2212145315027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55303632856 + ... + 55303632895.

It is an arithmetic number, because the mean of its divisors is an integer number (387125430132).

Almost surely, 22212145315020 is an apocalyptic number.

2212145315020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212145315020 is an abundant number, since it is smaller than the sum of its proper divisors (2433359846564).

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

2212145315020 is a wasteful number, since it uses less digits than its factorization.

2212145315020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110607265760 (or 110607265758 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 2212145315020 in words is "two trillion, two hundred twelve billion, one hundred forty-five million, three hundred fifteen thousand, twenty".

Divisors: 1 2 4 5 10 20 110607265751 221214531502 442429063004 553036328755 1106072657510 2212145315020