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1880132980 = 225118546059
BaseRepresentation
bin111000000010000…
…1000110101110100
311212000210122120211
41300010020311310
512322303223410
6510321435204
764406603155
oct16004106564
94760718524
101880132980
11885316810
1244579bb04
1323c698b2b
1413b9b592c
15b00d668a
hex70108d74

1880132980 has 24 divisors (see below), whose sum is σ = 4307214240. Its totient is φ = 683684640.

The previous prime is 1880132923. The next prime is 1880132987. The reversal of 1880132980 is 892310881.

1880132980 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1880132987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4272810 + ... + 4273249.

It is an arithmetic number, because the mean of its divisors is an integer number (179467260).

Almost surely, 21880132980 is an apocalyptic number.

1880132980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1880132980 is an abundant number, since it is smaller than the sum of its proper divisors (2427081260).

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

1880132980 is a wasteful number, since it uses less digits than its factorization.

1880132980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8546079 (or 8546077 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 1880132980 is about 43360.5002277418. The cubic root of 1880132980 is about 1234.2302578817.

The spelling of 1880132980 in words is "one billion, eight hundred eighty million, one hundred thirty-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 8546059 17092118 34184236 42730295 85460590 94006649 170921180 188013298 376026596 470033245 940066490 1880132980