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2054737487820 = 223543796409879
BaseRepresentation
bin11101111001100111111…
…001011110011111001100
321021102122012002100010210
4131321213321132133030
5232131100244102240
64211533335202420
7301310211321453
oct35714771363714
97242565070123
102054737487820
11722455821626
1229227b516410
1311b9b795c114
1471642469b9a
15386ad722780
hex1de67e5e7cc

2054737487820 has 48 divisors (see below), whose sum is σ = 5887061832960. Its totient is φ = 535187438016.

The previous prime is 2054737487797. The next prime is 2054737487837. The reversal of 2054737487820 is 287847374502.

It is a super-2 number, since 2×20547374878202 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398202360 + ... + 398207519.

It is an arithmetic number, because the mean of its divisors is an integer number (122647121520).

Almost surely, 22054737487820 is an apocalyptic number.

2054737487820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2054737487820 is an abundant number, since it is smaller than the sum of its proper divisors (3832324345140).

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

2054737487820 is a wasteful number, since it uses less digits than its factorization.

2054737487820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796409934 (or 796409932 counting only the distinct ones).

The product of its (nonzero) digits is 21073920, while the sum is 57.

The spelling of 2054737487820 in words is "two trillion, fifty-four billion, seven hundred thirty-seven million, four hundred eighty-seven thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 43 60 86 129 172 215 258 430 516 645 860 1290 2580 796409879 1592819758 2389229637 3185639516 3982049395 4778459274 7964098790 9556918548 11946148185 15928197580 23892296370 34245624797 47784592740 68491249594 102736874391 136982499188 171228123985 205473748782 342456247970 410947497564 513684371955 684912495940 1027368743910 2054737487820