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2211350893920 = 253557223109463
BaseRepresentation
bin100000001011011110110…
…010001101010101100000
321211101212211211200200000
4200023132302031111200
5242212321312101140
64411514112100000
7315523223314200
oct40133662152540
97741784750600
102211350893920
11782912a25653
122b86a8b34600
131306b63b7c0c
147905c2a2400
153c7c7c04a30
hex202dec8d560

2211350893920 has 1728 divisors, whose sum is σ = 9607047690240. Its totient is φ = 478005276672.

The previous prime is 2211350893879. The next prime is 2211350894003. The reversal of 2211350893920 is 293980531122.

2211350893920 is a `hidden beast` number, since 2 + 2 + 113 + 508 + 9 + 3 + 9 + 20 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 4776135609 + ... + 4776136071.

It is an arithmetic number, because the mean of its divisors is an integer number (5559634080).

Almost surely, 22211350893920 is an apocalyptic number.

2211350893920 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 2211350893920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4803523845120).

2211350893920 is an abundant number, since it is smaller than the sum of its proper divisors (7395696796320).

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

2211350893920 is a wasteful number, since it uses less digits than its factorization.

2211350893920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 2211350893920 in words is "two trillion, two hundred eleven billion, three hundred fifty million, eight hundred ninety-three thousand, nine hundred twenty".