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210630120130 = 25235317278927
BaseRepresentation
bin1100010000101010001…
…0001001001011000010
3202010200011201201221101
43010022202021023002
511422332302321010
6240432342245014
721134416323613
oct3041242111302
9663604651841
10210630120130
1181367236851
12349a372676a
1316b2971caa1
14a2a1bcbc0a
15572b7ee73a
hex310a8892c2

210630120130 has 32 divisors (see below), whose sum is σ = 403082832384. Its totient is φ = 79068365376.

The previous prime is 210630120097. The next prime is 210630120137. The reversal of 210630120130 is 31021036012.

It is a junction number, because it is equal to n+sod(n) for n = 210630120098 and 210630120107.

It is not an unprimeable number, because it can be changed into a prime (210630120137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8627274 + ... + 8651653.

It is an arithmetic number, because the mean of its divisors is an integer number (12596338512).

Almost surely, 2210630120130 is an apocalyptic number.

210630120130 is a deficient number, since it is larger than the sum of its proper divisors (192452712254).

210630120130 is a wasteful number, since it uses less digits than its factorization.

210630120130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17279010.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 210630120130 its reverse (31021036012), we get a palindrome (241651156142).

The spelling of 210630120130 in words is "two hundred ten billion, six hundred thirty million, one hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 23 46 53 106 115 230 265 530 1219 2438 6095 12190 17278927 34557854 86394635 172789270 397415321 794830642 915783131 1831566262 1987076605 3974153210 4578915655 9157831310 21063012013 42126024026 105315060065 210630120130