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30031203100 = 2252624748073
BaseRepresentation
bin11011111101111111…
…111100101100011100
32212111221000011222111
4123331333330230130
5443000441444400
621443544523404
72112126004663
oct337577745434
985457004874
1030031203100
1111810916418
1259a1480564
132aa799b882
14164c64bdda
15bab73e3ba
hex6fdffcb1c

30031203100 has 36 divisors (see below), whose sum is σ = 65179498384. Its totient is φ = 12010308480.

The previous prime is 30031203079. The next prime is 30031203101. The reversal of 30031203100 is 130213003.

It is a super-2 number, since 2×300312031002 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30031203101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 600664 + ... + 648736.

Almost surely, 230031203100 is an apocalyptic number.

It is an amenable number.

30031203100 is an abundant number, since it is smaller than the sum of its proper divisors (35148295284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30031203100 is a wasteful number, since it uses less digits than its factorization.

30031203100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54334 (or 54327 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 30031203100 its reverse (130213003), we get a palindrome (30161416103).

The spelling of 30031203100 in words is "thirty billion, thirty-one million, two hundred three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 6247 12494 24988 31235 48073 62470 96146 124940 156175 192292 240365 312350 480730 624700 961460 1201825 2403650 4807300 300312031 600624062 1201248124 1501560155 3003120310 6006240620 7507800775 15015601550 30031203100