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30103443220 = 22561910872237
BaseRepresentation
bin11100000010010011…
…100001011100010100
32212200221221100210111
4130002103201130110
5443122440140340
621455045132404
72113664021404
oct340223413424
985627840714
1030103443220
11118486774a4
125a016ba104
132ab9942bc6
141658094804
15bb2c5daea
hex7024e1714

30103443220 has 48 divisors (see below), whose sum is σ = 63405941760. Its totient is φ = 12005495424.

The previous prime is 30103443187. The next prime is 30103443239. The reversal of 30103443220 is 2234430103.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30103443191 and 30103443200.

It is a congruent number.

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, 13455942 + ... + 13458178.

It is an arithmetic number, because the mean of its divisors is an integer number (1320957120).

Almost surely, 230103443220 is an apocalyptic number.

It is an amenable number.

30103443220 is an abundant number, since it is smaller than the sum of its proper divisors (33302498540).

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

30103443220 is a wasteful number, since it uses less digits than its factorization.

30103443220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952 (or 3950 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 30103443220 its reverse (2234430103), we get a palindrome (32337873323).

The spelling of 30103443220 in words is "thirty billion, one hundred three million, four hundred forty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 619 1087 1238 2174 2237 2476 3095 4348 4474 5435 6190 8948 10870 11185 12380 21740 22370 44740 672853 1345706 1384703 2431619 2691412 2769406 3364265 4863238 5538812 6728530 6923515 9726476 12158095 13457060 13847030 24316190 27694060 48632380 1505172161 3010344322 6020688644 7525860805 15051721610 30103443220