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30754308885 = 352050287259
BaseRepresentation
bin11100101001000110…
…011000001100010101
32221101022122202122020
4130221012120030111
51000441100341020
622043415323353
72136056212056
oct345106301425
987338582566
1030754308885
1112052007503
125b63680559
132b9173ac11
1416ba6bc72d
15beee77c40
hex729198315

30754308885 has 8 divisors (see below), whose sum is σ = 49206894240. Its totient is φ = 16402298064.

The previous prime is 30754308841. The next prime is 30754308967. The reversal of 30754308885 is 58880345703.

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

It is not a de Polignac number, because 30754308885 - 26 = 30754308821 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1025143615 + ... + 1025143644.

It is an arithmetic number, because the mean of its divisors is an integer number (6150861780).

Almost surely, 230754308885 is an apocalyptic number.

It is an amenable number.

30754308885 is a deficient number, since it is larger than the sum of its proper divisors (18452585355).

30754308885 is a wasteful number, since it uses less digits than its factorization.

30754308885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050287267.

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 30754308885 in words is "thirty billion, seven hundred fifty-four million, three hundred eight thousand, eight hundred eighty-five".

Divisors: 1 3 5 15 2050287259 6150861777 10251436295 30754308885