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30103332220 = 22513115782047
BaseRepresentation
bin11100000010010011…
…000110010101111100
32212200221201201112101
4130002103012111330
5443122423112340
621455042514444
72113663046653
oct340223062574
985627651471
1030103332220
1111848601065
125a01665a24
132ab9904520
14165806619a
15bb2c3ac9a
hex7024c657c

30103332220 has 24 divisors (see below), whose sum is σ = 68079844224. Its totient is φ = 11115076416.

The previous prime is 30103332151. The next prime is 30103332227. The reversal of 30103332220 is 2223330103.

It is a happy number.

It is a super-2 number, since 2×301033322202 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30103332227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57890764 + ... + 57891283.

It is an arithmetic number, because the mean of its divisors is an integer number (2836660176).

Almost surely, 230103332220 is an apocalyptic number.

It is an amenable number.

30103332220 is an abundant number, since it is smaller than the sum of its proper divisors (37976512004).

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

30103332220 is a wasteful number, since it uses less digits than its factorization.

30103332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115782069 (or 115782067 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30103332220 its reverse (2223330103), we get a palindrome (32326662323).

The spelling of 30103332220 in words is "thirty billion, one hundred three million, three hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 115782047 231564094 463128188 578910235 1157820470 1505166611 2315640940 3010333222 6020666444 7525833055 15051666110 30103332220