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2123996441600 = 2105211219151239
BaseRepresentation
bin11110111010001000000…
…011011010110000000000
321112001101222000201201002
4132322020003122300000
5234244421042112400
64303430035031132
7306311416603505
oct36721003326000
97461358021632
102123996441600
11749866689700
122a378a13b4a8
131253a46c5587
1474b328a14ac
153a3b3c53ed5
hex1ee880dac00

2123996441600 has 792 divisors, whose sum is σ = 6157664217600. Its totient is φ = 723824640000.

The previous prime is 2123996441599. The next prime is 2123996441663. The reversal of 2123996441600 is 61446993212.

It is a super-2 number, since 2×21239964416002 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8887014281 + ... + 8887014519.

Almost surely, 22123996441600 is an apocalyptic number.

2123996441600 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 2123996441600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3078832108800).

2123996441600 is an abundant number, since it is smaller than the sum of its proper divisors (4033667776000).

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

2123996441600 is a wasteful number, since it uses less digits than its factorization.

2123996441600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 2123996441600 in words is "two trillion, one hundred twenty-three billion, nine hundred ninety-six million, four hundred forty-one thousand, six hundred".