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30064751960 = 235751618799
BaseRepresentation
bin11011111111111111…
…111011010101011000
32212121021010122100212
4123333333323111120
5443033034030320
621451143550252
72113014114035
oct337777732530
985537118325
1030064751960
1111828850151
1259b075b388
132ab1916c79
141652ca238c
15bae6699c5
hex6ffffb558

30064751960 has 16 divisors (see below), whose sum is σ = 67645692000. Its totient is φ = 12025900768.

The previous prime is 30064751939. The next prime is 30064751987. The reversal of 30064751960 is 6915746003.

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, 375809360 + ... + 375809439.

It is an arithmetic number, because the mean of its divisors is an integer number (4227855750).

Almost surely, 230064751960 is an apocalyptic number.

It is an amenable number.

30064751960 is an abundant number, since it is smaller than the sum of its proper divisors (37580940040).

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

30064751960 is a wasteful number, since it uses less digits than its factorization.

30064751960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751618810 (or 751618806 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 30064751960 in words is "thirty billion, sixty-four million, seven hundred fifty-one thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 751618799 1503237598 3006475196 3758093995 6012950392 7516187990 15032375980 30064751960