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30526704236 = 22721919342473
BaseRepresentation
bin11100011011100010…
…001000101001101100
32220210110101020202102
4130123202020221230
51000004314013421
622005045114232
72130323463500
oct343342105154
986713336672
1030526704236
1111a4558a796
125abb3b8978
132b5653a002
141698392300
15bd9eb960b
hex71b888a6c

30526704236 has 72 divisors (see below), whose sum is σ = 65754848880. Its totient is φ = 12329791488.

The previous prime is 30526704193. The next prime is 30526704259. The reversal of 30526704236 is 63240762503.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 30526704236.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 697496 + ... + 739968.

It is an arithmetic number, because the mean of its divisors is an integer number (913261790).

Almost surely, 230526704236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30526704236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32877424440).

30526704236 is an abundant number, since it is smaller than the sum of its proper divisors (35228144644).

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

30526704236 is a wasteful number, since it uses less digits than its factorization.

30526704236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42703 (or 42694 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 38.

The spelling of 30526704236 in words is "thirty billion, five hundred twenty-six million, seven hundred four thousand, two hundred thirty-six".

Divisors: 1 2 4 7 14 19 28 38 49 76 98 133 193 196 266 386 532 772 931 1351 1862 2702 3667 3724 5404 7334 9457 14668 18914 25669 37828 42473 51338 84946 102676 169892 179683 297311 359366 594622 718732 806987 1189244 1613974 2081177 3227948 4162354 5648909 8197289 8324708 11297818 16394578 22595636 32789156 39542363 57381023 79084726 114762046 155748491 158169452 229524092 311496982 401667161 622993964 803334322 1090239437 1606668644 2180478874 4360957748 7631676059 15263352118 30526704236