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2132154498780 = 2233531283344959
BaseRepresentation
bin11111000001101110010…
…011111011111011011100
321112211110111211222022000
4133001232103323323130
5234413123022430110
64311255342322300
7310020530131665
oct37015623737334
97484414758260
102132154498780
117522726a1819
122a5286289390
131260a48c8a47
14752a815036c
153a6e00711c0
hex1f06e4fbedc

2132154498780 has 192 divisors, whose sum is σ = 6849918566400. Its totient is φ = 550026961920.

The previous prime is 2132154498743. The next prime is 2132154498791. The reversal of 2132154498780 is 878944512312.

2132154498780 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 1 + 544 + 98 + 7 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47401941 + ... + 47446899.

It is an arithmetic number, because the mean of its divisors is an integer number (35676659200).

Almost surely, 22132154498780 is an apocalyptic number.

2132154498780 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 2132154498780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3424959283200).

2132154498780 is an abundant number, since it is smaller than the sum of its proper divisors (4717764067620).

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

2132154498780 is a wasteful number, since it uses less digits than its factorization.

2132154498780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47841 (or 47833 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 2132154498780 in words is "two trillion, one hundred thirty-two billion, one hundred fifty-four million, four hundred ninety-eight thousand, seven hundred eighty".