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30021311002 = 261724328453
BaseRepresentation
bin11011111101011010…
…001101101000011010
32212111020101121120111
4123331122031220122
5442440423423002
621442552514534
72111645635024
oct337532155032
985436347514
1030021311002
111180627a331
12599a0aba4a
132aa5917167
14164b1d5014
15baa9383d7
hex6fd68da1a

30021311002 has 8 divisors (see below), whose sum is σ = 45104953716. Its totient is φ = 14986326432.

The previous prime is 30021310987. The next prime is 30021311077. The reversal of 30021311002 is 20011312003.

It can be written as a sum of positive squares in 2 ways, for example, as 27605490201 + 2415820801 = 166149^2 + 49151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×300213110022 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12162993 + ... + 12165460.

Almost surely, 230021311002 is an apocalyptic number.

30021311002 is a deficient number, since it is larger than the sum of its proper divisors (15083642714).

30021311002 is a wasteful number, since it uses less digits than its factorization.

30021311002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24329072.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30021311002 its reverse (20011312003), we get a palindrome (50032623005).

The spelling of 30021311002 in words is "thirty billion, twenty-one million, three hundred eleven thousand, two".

Divisors: 1 2 617 1234 24328453 48656906 15010655501 30021311002