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212278150460 = 22510613907523
BaseRepresentation
bin1100010110110011000…
…0111000010100111100
3202021221000210100112202
43011230300320110330
511434221201303320
6241304053251032
721223310336015
oct3055460702474
9667830710482
10212278150460
1182032533392
1235183633a78
131702cca156c
14a3baa2600c
1557c6339b75
hex316cc3853c

212278150460 has 12 divisors (see below), whose sum is σ = 445784116008. Its totient is φ = 84911260176.

The previous prime is 212278150429. The next prime is 212278150481. The reversal of 212278150460 is 64051872212.

It is a congruent number.

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, 5306953742 + ... + 5306953781.

It is an arithmetic number, because the mean of its divisors is an integer number (37148676334).

Almost surely, 2212278150460 is an apocalyptic number.

212278150460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212278150460 is an abundant number, since it is smaller than the sum of its proper divisors (233505965548).

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

212278150460 is a wasteful number, since it uses less digits than its factorization.

212278150460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10613907532 (or 10613907530 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 212278150460 in words is "two hundred twelve billion, two hundred seventy-eight million, one hundred fifty thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 10613907523 21227815046 42455630092 53069537615 106139075230 212278150460