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2887142156 = 223019239081
BaseRepresentation
bin1010110000010110…
…0100101100001100
321110012200000110222
42230011210230030
521403102022111
61154253250512
7131355206033
oct25405445414
97405600428
102887142156
1112517976a8
12686a93a38
133701bb452
141d562971a
1511d6ee7db
hexac164b0c

2887142156 has 12 divisors (see below), whose sum is σ = 5054193480. Its totient is φ = 1443086880.

The previous prime is 2887142149. The next prime is 2887142171. The reversal of 2887142156 is 6512417882.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107465 + ... + 131616.

It is an arithmetic number, because the mean of its divisors is an integer number (421182790).

Almost surely, 22887142156 is an apocalyptic number.

It is an amenable number.

2887142156 is a deficient number, since it is larger than the sum of its proper divisors (2167051324).

2887142156 is a wasteful number, since it uses less digits than its factorization.

2887142156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242104 (or 242102 counting only the distinct ones).

The product of its digits is 215040, while the sum is 44.

The square root of 2887142156 is about 53732.1333654267. The cubic root of 2887142156 is about 1423.9324567919.

The spelling of 2887142156 in words is "two billion, eight hundred eighty-seven million, one hundred forty-two thousand, one hundred fifty-six".

Divisors: 1 2 4 3019 6038 12076 239081 478162 956324 721785539 1443571078 2887142156