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2913413840 = 24536417673
BaseRepresentation
bin1010110110100111…
…0010101011010000
321112001002202110022
42231221302223100
521431313220330
61201032323012
7132124415621
oct25551625320
97461082408
102913413840
111265600a37
12693843468
1337578941c
141d8d07a48
15120b8dae5
hexada72ad0

2913413840 has 20 divisors (see below), whose sum is σ = 6773687364. Its totient is φ = 1165365504.

The previous prime is 2913413831. The next prime is 2913413857. The reversal of 2913413840 is 483143192.

2913413840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2116368016 + 797045824 = 46004^2 + 28232^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×29134138403 (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2913413840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18208757 + ... + 18208916.

Almost surely, 22913413840 is an apocalyptic number.

2913413840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2913413840 is an abundant number, since it is smaller than the sum of its proper divisors (3860273524).

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

2913413840 is a wasteful number, since it uses less digits than its factorization.

2913413840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36417686 (or 36417680 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 2913413840 is about 53976.0487623909. The cubic root of 2913413840 is about 1428.2384686500.

The spelling of 2913413840 in words is "two billion, nine hundred thirteen million, four hundred thirteen thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 36417673 72835346 145670692 182088365 291341384 364176730 582682768 728353460 1456706920 2913413840