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30475790205688 = 2318606372047403
BaseRepresentation
bin1101110110111101100101…
…01001100100001011111000
310222220110100012220111100001
412323132302221210023320
512443303404243040223
6144452215034322344
76263542330406062
oct673366251441370
9128813305814301
1030475790205688
11978a78a083783
1235024b45893b4
131400b15987639
14775071162732
1537cb2a2c99ad
hex1bb7b2a642f8

30475790205688 has 16 divisors (see below), whose sum is σ = 57142165256280. Its totient is φ = 15237879470688.

The previous prime is 30475790205677. The next prime is 30475790205697. The reversal of 30475790205688 is 88650209757403.

It is a super-3 number, since 3×304757902056883 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 13861395 + ... + 15908797.

Almost surely, 230475790205688 is an apocalyptic number.

It is an amenable number.

30475790205688 is a deficient number, since it is larger than the sum of its proper divisors (26666375050592).

30475790205688 is a wasteful number, since it uses less digits than its factorization.

30475790205688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3908046 (or 3908042 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 64.

The spelling of 30475790205688 in words is "thirty trillion, four hundred seventy-five billion, seven hundred ninety million, two hundred five thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 1860637 2047403 3721274 4094806 7442548 8189612 14885096 16379224 3809473775711 7618947551422 15237895102844 30475790205688