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28959067272 = 2331206627803
BaseRepresentation
bin11010111110000110…
…000100110010001000
32202202012121001010010
4122332012010302020
5433302010123042
621145325151520
72043430003362
oct327606046210
982665531103
1028959067272
1111310702953
1257423bb5a0
132966825985
14158a0c3d32
15b4755e59c
hex6be184c88

28959067272 has 16 divisors (see below), whose sum is σ = 72397668240. Its totient is φ = 9653022416.

The previous prime is 28959067271. The next prime is 28959067301. The reversal of 28959067272 is 27276095982.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28959067271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603313878 + ... + 603313925.

It is an arithmetic number, because the mean of its divisors is an integer number (4524854265).

Almost surely, 228959067272 is an apocalyptic number.

It is an amenable number.

28959067272 is an abundant number, since it is smaller than the sum of its proper divisors (43438600968).

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

28959067272 is a wasteful number, since it uses less digits than its factorization.

28959067272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206627812 (or 1206627808 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 57.

The spelling of 28959067272 in words is "twenty-eight billion, nine hundred fifty-nine million, sixty-seven thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 1206627803 2413255606 3619883409 4826511212 7239766818 9653022424 14479533636 28959067272