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8739472988 = 222777887611
BaseRepresentation
bin10000010001110100…
…11100011001011100
3211120001212020010202
420020322130121130
5120344301113423
64003113123032
7426400203041
oct101072343134
924501766122
108739472988
113785228454
12183a9b9478
13a937c31bc
145cc9991c8
153623b8728
hex208e9c65c

8739472988 has 12 divisors (see below), whose sum is σ = 15349292952. Its totient is φ = 4353960720.

The previous prime is 8739472967. The next prime is 8739472991. The reversal of 8739472988 is 8892749378.

It is a congruent 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, 3942698 + ... + 3944913.

It is an arithmetic number, because the mean of its divisors is an integer number (1279107746).

Almost surely, 28739472988 is an apocalyptic number.

It is an amenable number.

8739472988 is a deficient number, since it is larger than the sum of its proper divisors (6609819964).

8739472988 is a wasteful number, since it uses less digits than its factorization.

8739472988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7887892 (or 7887890 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 65.

The square root of 8739472988 is about 93485.1484889445. The cubic root of 8739472988 is about 2059.8159407611.

The spelling of 8739472988 in words is "eight billion, seven hundred thirty-nine million, four hundred seventy-two thousand, nine hundred eighty-eight".

Divisors: 1 2 4 277 554 1108 7887611 15775222 31550444 2184868247 4369736494 8739472988