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2989100712 = 233139580451
BaseRepresentation
bin1011001000101010…
…0000111010101000
321201022112001022210
42302022200322220
522110202210322
61212334445120
7134033636223
oct26212407250
97638461283
102989100712
1112a42a6674
126b50637a0
13388369560
14204daa5ba
1512763e70c
hexb22a0ea8

2989100712 has 32 divisors (see below), whose sum is σ = 8047579680. Its totient is φ = 919723200.

The previous prime is 2989100707. The next prime is 2989100797. The reversal of 2989100712 is 2170019892.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 7 ways as a sum of consecutive naturals, for example, 4789914 + ... + 4790537.

It is an arithmetic number, because the mean of its divisors is an integer number (251486865).

Almost surely, 22989100712 is an apocalyptic number.

It is an amenable number.

2989100712 is an abundant number, since it is smaller than the sum of its proper divisors (5058478968).

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

2989100712 is a wasteful number, since it uses less digits than its factorization.

2989100712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9580473 (or 9580469 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 2989100712 is about 54672.6687843204. The cubic root of 2989100712 is about 1440.5008404451.

The spelling of 2989100712 in words is "two billion, nine hundred eighty-nine million, one hundred thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 9580451 19160902 28741353 38321804 57482706 76643608 114965412 124545863 229930824 249091726 373637589 498183452 747275178 996366904 1494550356 2989100712