Search a number
-
+
30102202230 = 2351003406741
BaseRepresentation
bin11100000010001110…
…110010011101110110
32212200212121022110220
4130002032302131312
5443122130432410
621455002355210
72113650332352
oct340216623566
985625538426
1030102202230
11118479aa091
125a011bbb06
132ab95ca0a9
141657c50462
15bb2ab6070
hex7023b2776

30102202230 has 16 divisors (see below), whose sum is σ = 72245285424. Its totient is φ = 8027253920.

The previous prime is 30102202219. The next prime is 30102202241. The reversal of 30102202230 is 3220220103.

It is an interprime number because it is at equal distance from previous prime (30102202219) and next prime (30102202241).

It is a super-2 number, since 2×301022022302 (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501703341 + ... + 501703400.

It is an arithmetic number, because the mean of its divisors is an integer number (4515330339).

Almost surely, 230102202230 is an apocalyptic number.

30102202230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30102202230 is an abundant number, since it is smaller than the sum of its proper divisors (42143083194).

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

30102202230 is a wasteful number, since it uses less digits than its factorization.

30102202230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003406751.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30102202230 its reverse (3220220103), we get a palindrome (33322422333).

The spelling of 30102202230 in words is "thirty billion, one hundred two million, two hundred two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1003406741 2006813482 3010220223 5017033705 6020440446 10034067410 15051101115 30102202230