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30702841740 = 22325170571343
BaseRepresentation
bin11100100110000010…
…000010111110001100
32221020201210221222200
4130212002002332030
51000334411413430
622034340241500
72134562564064
oct344602027614
987221727880
1030702841740
1112025a5447a
125b4a3a0290
132b83b8aa9c
1416b39223a4
15bea6ad460
hex726082f8c

30702841740 has 36 divisors (see below), whose sum is σ = 93131953824. Its totient is φ = 8187424416.

The previous prime is 30702841717. The next prime is 30702841783. The reversal of 30702841740 is 4714820703.

It is a happy number.

30702841740 is a `hidden beast` number, since 307 + 0 + 284 + 1 + 74 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×307028417402 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 30702841695 and 30702841704.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85285492 + ... + 85285851.

Almost surely, 230702841740 is an apocalyptic number.

30702841740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30702841740 is an abundant number, since it is smaller than the sum of its proper divisors (62429112084).

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

30702841740 is a wasteful number, since it uses less digits than its factorization.

30702841740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170571358 (or 170571353 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The spelling of 30702841740 in words is "thirty billion, seven hundred two million, eight hundred forty-one thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 170571343 341142686 511714029 682285372 852856715 1023428058 1535142087 1705713430 2046856116 2558570145 3070284174 3411426860 5117140290 6140568348 7675710435 10234280580 15351420870 30702841740