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2088208030640 = 245227114989429
BaseRepresentation
bin11110011000110010111…
…001011101101110110000
321101122000210211002020212
4132120302321131232300
5233203122223440030
64235150505123252
7303603512252114
oct36306271355660
97348023732225
102088208030640
11735670aa2866
12298860789528
13121bc0048944
14730d97a5744
15394bbd8a595
hex1e632e5dbb0

2088208030640 has 40 divisors (see below), whose sum is σ = 4876471747440. Its totient is φ = 831603543296.

The previous prime is 2088208030633. The next prime is 2088208030691. The reversal of 2088208030640 is 460308028802.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×20882080306402 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57476555 + ... + 57512874.

It is an arithmetic number, because the mean of its divisors is an integer number (121911793686).

Almost surely, 22088208030640 is an apocalyptic number.

2088208030640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2088208030640 is an abundant number, since it is smaller than the sum of its proper divisors (2788263716800).

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

2088208030640 is a wasteful number, since it uses less digits than its factorization.

2088208030640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114989669 (or 114989663 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The spelling of 2088208030640 in words is "two trillion, eighty-eight billion, two hundred eight million, thirty thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 227 454 908 1135 1816 2270 3632 4540 9080 18160 114989429 229978858 459957716 574947145 919915432 1149894290 1839830864 2299788580 4599577160 9199154320 26102600383 52205200766 104410401532 130513001915 208820803064 261026003830 417641606128 522052007660 1044104015320 2088208030640