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22212002310000 = 243541282957713
BaseRepresentation
bin1010000110011101000101…
…00000011110011101110000
32220122110001122001120012020
411003032202200132131300
510402410140042410000
6115124015240231440
74451523060311256
oct503164240363560
986573048046166
1022212002310000
11709406a269188
1225a8a0276b580
13c5177662a349
1456b0d0c4c5d6
15287bb9d62ba0
hex1433a281e770

22212002310000 has 200 divisors, whose sum is σ = 71710136723280. Its totient is φ = 5922636288000.

The previous prime is 22212002309999. The next prime is 22212002310011. The reversal of 22212002310000 is 1320021222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×222120023100002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 384841144 + ... + 384898856.

Almost surely, 222212002310000 is an apocalyptic number.

22212002310000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22212002310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35855068361640).

22212002310000 is an abundant number, since it is smaller than the sum of its proper divisors (49498134413280).

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

22212002310000 is a wasteful number, since it uses less digits than its factorization.

22212002310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70573 (or 70552 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22212002310000 its reverse (1320021222), we get a palindrome (22213322331222).

The spelling of 22212002310000 in words is "twenty-two trillion, two hundred twelve billion, two million, three hundred ten thousand".