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30122421032 = 231115110492161
BaseRepresentation
bin11100000011011011…
…111010101100101000
32212202021122112110102
4130003123322230220
5443142314433112
621501004004532
72114314232324
oct340333725450
985667575412
1030122421032
1111858359840
125a07b30748
132ac0858c92
14165a7d4984
15bb475bbc2
hex7036fab28

30122421032 has 64 divisors (see below), whose sum is σ = 62109936000. Its totient is φ = 13582080000.

The previous prime is 30122421029. The next prime is 30122421067. The reversal of 30122421032 is 23012422103.

It is a junction number, because it is equal to n+sod(n) for n = 30122420995 and 30122421013.

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, 13938032 + ... + 13940192.

It is an arithmetic number, because the mean of its divisors is an integer number (970467750).

Almost surely, 230122421032 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 30122421032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31054968000).

30122421032 is an abundant number, since it is smaller than the sum of its proper divisors (31987514968).

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

30122421032 is a wasteful number, since it uses less digits than its factorization.

30122421032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378 (or 3374 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30122421032 its reverse (23012422103), we get a palindrome (53134843135).

It can be divided in two parts, 30122 and 421032, that added together give a palindrome (451154).

The spelling of 30122421032 in words is "thirty billion, one hundred twenty-two million, four hundred twenty-one thousand, thirty-two".

Divisors: 1 2 4 8 11 22 44 88 151 302 604 1049 1208 1661 2098 2161 3322 4196 4322 6644 8392 8644 11539 13288 17288 23078 23771 46156 47542 92312 95084 158399 190168 316798 326311 633596 652622 1267192 1305244 1742389 2266889 2610488 3484778 3589421 4533778 6969556 7178842 9067556 13939112 14357684 18135112 24935779 28715368 49871558 99743116 199486232 342300239 684600478 1369200956 2738401912 3765302629 7530605258 15061210516 30122421032