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2988978834 = 23498163139
BaseRepresentation
bin1011001000101000…
…0011001010010010
321201022021212010210
42302022003022102
522110134310314
61212332104550
7134032621002
oct26212031222
97638255123
102988978834
1112a4223046
126b5005156
13388325c3a
14204d78002
15127618559
hexb2283292

2988978834 has 8 divisors (see below), whose sum is σ = 5977957680. Its totient is φ = 996326276.

The previous prime is 2988978829. The next prime is 2988978857. The reversal of 2988978834 is 4388798892.

It is a happy number.

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

2988978834 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249081564 + ... + 249081575.

It is an arithmetic number, because the mean of its divisors is an integer number (747244710).

Almost surely, 22988978834 is an apocalyptic number.

2988978834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2988978834 is a wasteful number, since it uses less digits than its factorization.

2988978834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498163144.

The product of its digits is 55738368, while the sum is 66.

The square root of 2988978834 is about 54671.5541575324. The cubic root of 2988978834 is about 1440.4812617864.

The spelling of 2988978834 in words is "two billion, nine hundred eighty-eight million, nine hundred seventy-eight thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 498163139 996326278 1494489417 2988978834