Search a number
-
+
30102202222 = 215051101111
BaseRepresentation
bin11100000010001110…
…110010011101101110
32212200212121022110121
4130002032302131232
5443122130432342
621455002355154
72113650332341
oct340216623556
985625538417
1030102202222
11118479aa084
125a011bbaba
132ab95ca0a1
141657c50458
15bb2ab6067
hex7023b276e

30102202222 has 4 divisors (see below), whose sum is σ = 45153303336. Its totient is φ = 15051101110.

The previous prime is 30102202219. The next prime is 30102202241. The reversal of 30102202222 is 22220220103.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×301022022222 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30102202196 and 30102202205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7525550554 + ... + 7525550557.

It is an arithmetic number, because the mean of its divisors is an integer number (11288325834).

Almost surely, 230102202222 is an apocalyptic number.

30102202222 is a deficient number, since it is larger than the sum of its proper divisors (15051101114).

30102202222 is a wasteful number, since it uses less digits than its factorization.

30102202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15051101113.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 30102202222 its reverse (22220220103), we get a palindrome (52322422325).

It can be divided in two parts, 30102 and 202222, that added together give a square (232324 = 4822).

The spelling of 30102202222 in words is "thirty billion, one hundred two million, two hundred two thousand, two hundred twenty-two".

Divisors: 1 2 15051101111 30102202222