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61305900132 = 22320172532883
BaseRepresentation
bin111001000110000111…
…011100110001100100
312212020111212101221210
4321012013130301210
52001023302301012
644055154111420
74300134360501
oct710607346144
9185214771853
1061305900132
1123aaa645174
12ba6b27b570
135a2017c869
142d780ac4a8
1518dc20b23c
hexe461dcc64

61305900132 has 24 divisors (see below), whose sum is σ = 143118077536. Its totient is φ = 20425160448.

The previous prime is 61305900119. The next prime is 61305900151. The reversal of 61305900132 is 23100950316.

It is a self number, because there is not a number n which added to its sum of digits gives 61305900132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242238 + ... + 1290645.

Almost surely, 261305900132 is an apocalyptic number.

It is an amenable number.

61305900132 is an abundant number, since it is smaller than the sum of its proper divisors (81812177404).

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

61305900132 is a wasteful number, since it uses less digits than its factorization.

61305900132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534907 (or 2534905 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The spelling of 61305900132 in words is "sixty-one billion, three hundred five million, nine hundred thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 2017 4034 6051 8068 12102 24204 2532883 5065766 7598649 10131532 15197298 30394596 5108825011 10217650022 15326475033 20435300044 30652950066 61305900132