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12031033220430 = 2357233245882551
BaseRepresentation
bin1010111100010011000101…
…1101100001110101001110
31120121011012101120001010220
42233010301131201311032
53034104024001023210
641330551431412210
72351133135022560
oct257046135416516
946534171501126
1012031033220430
113919372671714
121423840824066
136936a1b53903
142d843b341330
1515ce4c5ddc70
hexaf131761d4e

12031033220430 has 64 divisors (see below), whose sum is σ = 33141033888768. Its totient is φ = 2738148076800.

The previous prime is 12031033220417. The next prime is 12031033220537. The reversal of 12031033220430 is 3402233013021.

It is a self number, because there is not a number n which added to its sum of digits gives 12031033220430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122892346 + ... + 122990205.

It is an arithmetic number, because the mean of its divisors is an integer number (517828654512).

Almost surely, 212031033220430 is an apocalyptic number.

12031033220430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12031033220430 is an abundant number, since it is smaller than the sum of its proper divisors (21110000668338).

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

12031033220430 is a wasteful number, since it uses less digits than its factorization.

12031033220430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245882801.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 12031033220430 its reverse (3402233013021), we get a palindrome (15433266233451).

The spelling of 12031033220430 in words is "twelve trillion, thirty-one billion, thirty-three million, two hundred twenty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 233 466 699 1165 1398 1631 2330 3262 3495 4893 6990 8155 9786 16310 24465 48930 245882551 491765102 737647653 1229412755 1475295306 1721177857 2458825510 3442355714 3688238265 5163533571 7376476530 8605889285 10327067142 17211778570 25817667855 51635335710 57290634383 114581268766 171871903149 286453171915 343743806298 401034440681 572906343830 802068881362 859359515745 1203103322043 1718719031490 2005172203405 2406206644086 4010344406810 6015516610215 12031033220430