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30021034210 = 2519131569317
BaseRepresentation
bin11011111101011001…
…001010000011100010
32212111012212112212221
4123331121022003202
5442440341043320
621442542541254
72111643403036
oct337531120342
985435775787
1030021034210
1111806100382
125999b9782a
132aa584b18b
14164b1621c6
15baa8d13aa
hex6fd64a0e2

30021034210 has 16 divisors (see below), whose sum is σ = 54066143736. Its totient is φ = 12002128768.

The previous prime is 30021034207. The next prime is 30021034217. The reversal of 30021034210 is 1243012003.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21520009809 + 8501024401 = 146697^2 + 92201^2 .

It is not an unprimeable number, because it can be changed into a prime (30021034217) 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, 765529 + ... + 803788.

Almost surely, 230021034210 is an apocalyptic number.

30021034210 is a deficient number, since it is larger than the sum of its proper divisors (24045109526).

30021034210 is a wasteful number, since it uses less digits than its factorization.

30021034210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571237.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30021034210 its reverse (1243012003), we get a palindrome (31264046213).

The spelling of 30021034210 in words is "thirty billion, twenty-one million, thirty-four thousand, two hundred ten".

Divisors: 1 2 5 10 1913 3826 9565 19130 1569317 3138634 7846585 15693170 3002103421 6004206842 15010517105 30021034210