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30012231002 = 21310114817717
BaseRepresentation
bin11011111100110111…
…100100110101011010
32212110121022022011012
4123330313210311122
5442431112343002
621442030133522
72111505516515
oct337467446532
985417268135
1030012231002
11118011383a6
1259970512a2
132aa3a88290
141649d0dd7c
15ba9c42d52
hex6fcde4d5a

30012231002 has 32 divisors (see below), whose sum is σ = 49000717584. Its totient is φ = 13703616000.

The previous prime is 30012230987. The next prime is 30012231017. The reversal of 30012231002 is 20013221003.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30012230987) and next prime (30012231017).

It can be written as a sum of positive squares in 8 ways, for example, as 16710991441 + 13301239561 = 129271^2 + 115331^2 .

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, 3885248 + ... + 3892964.

Almost surely, 230012231002 is an apocalyptic number.

30012231002 is a deficient number, since it is larger than the sum of its proper divisors (18988486582).

30012231002 is a wasteful number, since it uses less digits than its factorization.

30012231002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9314.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30012231002 its reverse (20013221003), we get a palindrome (50025452005).

Subtracting from 30012231002 its reverse (20013221003), we obtain a palindrome (9999009999).

The spelling of 30012231002 in words is "thirty billion, twelve million, two hundred thirty-one thousand, two".

Divisors: 1 2 13 26 101 202 1313 1481 2626 2962 7717 15434 19253 38506 100321 149581 200642 299162 779417 1558834 1944553 3889106 10132421 11428877 20264842 22857754 148575401 297150802 1154316577 2308633154 15006115501 30012231002