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2899869081 = 31516401477
BaseRepresentation
bin1010110011011000…
…0111110110011001
321111002121121112120
42230312013312121
521414331302311
61155430131453
7131601323544
oct25466076631
97432547476
102899869081
11125899a61a
1268b1b0b89
13372a26285
141d71bd85b
1511e8b5706
hexacd87d99

2899869081 has 8 divisors (see below), whose sum is σ = 3892098624. Its totient is φ = 1920442800.

The previous prime is 2899869079. The next prime is 2899869103. The reversal of 2899869081 is 1809689982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2899869081 - 21 = 2899869079 is a prime.

It is a super-2 number, since 2×28998690812 = 16818481373879569122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2899869001) 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, 3200286 + ... + 3201191.

It is an arithmetic number, because the mean of its divisors is an integer number (486512328).

Almost surely, 22899869081 is an apocalyptic number.

It is an amenable number.

2899869081 is a deficient number, since it is larger than the sum of its proper divisors (992229543).

2899869081 is a wasteful number, since it uses less digits than its factorization.

2899869081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6401631.

The product of its (nonzero) digits is 4478976, while the sum is 60.

The square root of 2899869081 is about 53850.4325052269. The cubic root of 2899869081 is about 1426.0216874927.

The spelling of 2899869081 in words is "two billion, eight hundred ninety-nine million, eight hundred sixty-nine thousand, eighty-one".

Divisors: 1 3 151 453 6401477 19204431 966623027 2899869081