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18424101432 = 2331169788263
BaseRepresentation
bin10001001010001010…
…010111101000111000
31202120000012022211010
4101022022113220320
5300213032221212
612244112233520
71221365164302
oct211212275070
952500168733
1018424101432
1178a4a1a110
1236a223b8a0
131978060089
14c6aca6972
1572c72d03c
hex44a297a38

18424101432 has 32 divisors (see below), whose sum is σ = 50247550080. Its totient is φ = 5583060960.

The previous prime is 18424101391. The next prime is 18424101491. The reversal of 18424101432 is 23410142481.

It is a self number, because there is not a number n which added to its sum of digits gives 18424101432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34893868 + ... + 34894395.

It is an arithmetic number, because the mean of its divisors is an integer number (1570235940).

Almost surely, 218424101432 is an apocalyptic number.

18424101432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18424101432 is an abundant number, since it is smaller than the sum of its proper divisors (31823448648).

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

18424101432 is a wasteful number, since it uses less digits than its factorization.

18424101432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69788283 (or 69788279 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The spelling of 18424101432 in words is "eighteen billion, four hundred twenty-four million, one hundred one thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 69788263 139576526 209364789 279153052 418729578 558306104 767670893 837459156 1535341786 1674918312 2303012679 3070683572 4606025358 6141367144 9212050716 18424101432