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30221020410 = 2357143909621
BaseRepresentation
bin11100001001010100…
…000010110011111010
32220000011011220101020
4130021110002303322
5443343040123120
621514445203310
72116622302140
oct341124026372
986004156336
1030221020410
11118a8a83a29
125a34b60536
132b080cc0c9
14166993d590
15bbd236640
hex709502cfa

30221020410 has 32 divisors (see below), whose sum is σ = 82891942272. Its totient is φ = 6907661760.

The previous prime is 30221020409. The next prime is 30221020439. The reversal of 30221020410 is 1402012203.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30221020410.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71954601 + ... + 71955020.

It is an arithmetic number, because the mean of its divisors is an integer number (2590373196).

Almost surely, 230221020410 is an apocalyptic number.

30221020410 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30221020410 is an abundant number, since it is smaller than the sum of its proper divisors (52670921862).

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

30221020410 is a wasteful number, since it uses less digits than its factorization.

30221020410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143909638.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 30221020410 its reverse (1402012203), we get a palindrome (31623032613).

The spelling of 30221020410 in words is "thirty billion, two hundred twenty-one million, twenty thousand, four hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 143909621 287819242 431728863 719548105 863457726 1007367347 1439096210 2014734694 2158644315 3022102041 4317288630 5036836735 6044204082 10073673470 15110510205 30221020410