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2890855115 = 57340119751
BaseRepresentation
bin1010110001001110…
…1111001011001011
321110110122122200222
42230103233023023
521410024330430
61154505020255
7131431602011
oct25423571313
97413578628
102890855115
1112538a3265
1268818468b
13370bbb475
141d5d148b1
1511dbd49e5
hexac4ef2cb

2890855115 has 16 divisors (see below), whose sum is σ = 3525494976. Its totient is φ = 2275200000.

The previous prime is 2890855109. The next prime is 2890855139. The reversal of 2890855115 is 5115580982.

It is not a de Polignac number, because 2890855115 - 28 = 2890854859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136490 + ... + 156240.

It is an arithmetic number, because the mean of its divisors is an integer number (220343436).

Almost surely, 22890855115 is an apocalyptic number.

2890855115 is a deficient number, since it is larger than the sum of its proper divisors (634639861).

2890855115 is a wasteful number, since it uses less digits than its factorization.

2890855115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20230.

The product of its (nonzero) digits is 144000, while the sum is 44.

The square root of 2890855115 is about 53766.6729024588. The cubic root of 2890855115 is about 1424.5426031747.

The spelling of 2890855115 in words is "two billion, eight hundred ninety million, eight hundred fifty-five thousand, one hundred fifteen".

Divisors: 1 5 73 365 401 2005 19751 29273 98755 146365 1441823 7209115 7920151 39600755 578171023 2890855115