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18425083501 = 112372826417
BaseRepresentation
bin10001001010001110…
…000111011001101101
31202120002001012222001
4101022032013121231
5300213310133001
612244145252301
71221406424416
oct211216073155
952502035861
1018425083501
1178a552aa40
1236a2634091
131978315096
14c6b08080d
1572c874001
hex44a38766d

18425083501 has 8 divisors (see below), whose sum is σ = 20974008384. Its totient is φ = 16021811520.

The previous prime is 18425083493. The next prime is 18425083507. The reversal of 18425083501 is 10538052481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18425083501 - 23 = 18425083493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18425083507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36412956 + ... + 36413461.

It is an arithmetic number, because the mean of its divisors is an integer number (2621751048).

Almost surely, 218425083501 is an apocalyptic number.

18425083501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18425083501 is a deficient number, since it is larger than the sum of its proper divisors (2548924883).

18425083501 is a wasteful number, since it uses less digits than its factorization.

18425083501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72826451.

The product of its (nonzero) digits is 38400, while the sum is 37.

The spelling of 18425083501 in words is "eighteen billion, four hundred twenty-five million, eighty-three thousand, five hundred one".

Divisors: 1 11 23 253 72826417 801090587 1675007591 18425083501