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12203033430 = 2357377915377
BaseRepresentation
bin10110101110101101…
…11000001101010110
31011111110011022212010
423113112320031112
5144442434032210
65334521205050
7611255033640
oct132726701526
934443138763
1012203033430
1151a23266a5
122446930786
1311c6241753
1483a98d890
154b64c8920
hex2d75b8356

12203033430 has 64 divisors (see below), whose sum is σ = 33482211840. Its totient is φ = 2788345344.

The previous prime is 12203033407. The next prime is 12203033443. The reversal of 12203033430 is 3433030221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12203033397 and 12203033406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 785902 + ... + 801278.

It is an arithmetic number, because the mean of its divisors is an integer number (523159560).

Almost surely, 212203033430 is an apocalyptic number.

12203033430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12203033430 is an abundant number, since it is smaller than the sum of its proper divisors (21279178410).

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

12203033430 is a wasteful number, since it uses less digits than its factorization.

12203033430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19173.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 12203033430 its reverse (3433030221), we get a palindrome (15636063651).

The spelling of 12203033430 in words is "twelve billion, two hundred three million, thirty-three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 3779 7558 11337 15377 18895 22674 26453 30754 37790 46131 52906 56685 76885 79359 92262 107639 113370 132265 153770 158718 215278 230655 264530 322917 396795 461310 538195 645834 793590 1076390 1614585 3229170 58109683 116219366 174329049 290548415 348658098 406767781 581096830 813535562 871645245 1220303343 1743290490 2033838905 2440606686 4067677810 6101516715 12203033430