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12303010032 = 243733511133
BaseRepresentation
bin10110111010101000…
…10000100011110000
31011202102021122222020
423131110100203300
5200144032310112
65352452111440
7613610600625
oct133524204360
934672248866
1012303010032
115243801595
122474305580
131210b776c1
14849d7634c
154c017648c
hex2dd5108f0

12303010032 has 40 divisors (see below), whose sum is σ = 32218165584. Its totient is φ = 4044824064.

The previous prime is 12303010019. The next prime is 12303010033. The reversal of 12303010032 is 23001030321.

It is a junction number, because it is equal to n+sod(n) for n = 12303009993 and 12303010020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303010033) 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, 1752063 + ... + 1759070.

Almost surely, 212303010032 is an apocalyptic number.

12303010032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12303010032 is an abundant number, since it is smaller than the sum of its proper divisors (19915155552).

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

12303010032 is a wasteful number, since it uses less digits than its factorization.

12303010032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511217 (or 3511211 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 12303010032 its reverse (23001030321), we get a palindrome (35304040353).

The spelling of 12303010032 in words is "twelve billion, three hundred three million, ten thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 73 146 219 292 438 584 876 1168 1752 3504 3511133 7022266 10533399 14044532 21066798 28089064 42133596 56178128 84267192 168534384 256312709 512625418 768938127 1025250836 1537876254 2050501672 3075752508 4101003344 6151505016 12303010032