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30653443236 = 223132915534363
BaseRepresentation
bin11100100011000101…
…100110110010100100
32221010021212020222110
4130203011212302210
51000234240140421
622025413401020
72133422653113
oct344305466244
987107766873
1030653443236
1112000084669
125b35939170
132b768833c0
1416ab143c7a
15be61a1a76
hex723166ca4

30653443236 has 96 divisors (see below), whose sum is σ = 79752274560. Its totient is φ = 9098643456.

The previous prime is 30653443201. The next prime is 30653443277. The reversal of 30653443236 is 63234435603.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 30653443194 and 30653443203.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7023591 + ... + 7027953.

It is an arithmetic number, because the mean of its divisors is an integer number (830752860).

Almost surely, 230653443236 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 30653443236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39876137280).

30653443236 is an abundant number, since it is smaller than the sum of its proper divisors (49098831324).

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

30653443236 is a wasteful number, since it uses less digits than its factorization.

30653443236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5965 (or 5963 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 39.

Adding to 30653443236 its reverse (63234435603), we get a palindrome (93887878839).

The spelling of 30653443236 in words is "thirty billion, six hundred fifty-three million, four hundred forty-three thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 12 13 26 29 39 52 58 78 87 116 156 174 348 377 754 1131 1508 1553 2262 3106 4363 4524 4659 6212 8726 9318 13089 17452 18636 20189 26178 40378 45037 52356 56719 60567 80756 90074 113438 121134 126527 135111 170157 180148 226876 242268 253054 270222 340314 379581 506108 540444 585481 680628 759162 1170962 1518324 1644851 1756443 2341924 3289702 3512886 4934553 6579404 6775739 7025772 9869106 13551478 19738212 20327217 27102956 40654434 81308868 88084607 176169214 196496431 264253821 352338428 392992862 528507642 589489293 785985724 1057015284 1178978586 2357957172 2554453603 5108907206 7663360809 10217814412 15326721618 30653443236