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8147400680 = 235203685017
BaseRepresentation
bin1111001011001111…
…10111011111101000
3210000210202211121202
413211213313133220
5113141213310210
63424243023332
7405620522516
oct74547673750
923023684552
108147400680
113500aa47a1
1216b466ab48
139cac41b63
145740b74b6
1532a4149a5
hex1e59f77e8

8147400680 has 16 divisors (see below), whose sum is σ = 18331651620. Its totient is φ = 3258960256.

The previous prime is 8147400661. The next prime is 8147400689. The reversal of 8147400680 is 860047418.

It can be written as a sum of positive squares in 2 ways, for example, as 7427337124 + 720063556 = 86182^2 + 26834^2 .

It is not an unprimeable number, because it can be changed into a prime (8147400689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101842469 + ... + 101842548.

Almost surely, 28147400680 is an apocalyptic number.

It is an amenable number.

8147400680 is an abundant number, since it is smaller than the sum of its proper divisors (10184250940).

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

8147400680 is a wasteful number, since it uses less digits than its factorization.

8147400680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203685028 (or 203685024 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 8147400680 is about 90262.9529762903. The cubic root of 8147400680 is about 2012.2087120302.

The spelling of 8147400680 in words is "eight billion, one hundred forty-seven million, four hundred thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 203685017 407370034 814740068 1018425085 1629480136 2036850170 4073700340 8147400680