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18152044037 = 294314556571
BaseRepresentation
bin10000111001111100…
…100011011000000101
31201212001021101020022
4100321330203120011
5244133410402122
612201113144525
71211552554121
oct207174433005
951761241208
1018152044037
1177753a0396
1236270bb145
13193389697a
14c42ac8581
157138dd642
hex439f23605

18152044037 has 8 divisors (see below), whose sum is σ = 19214675040. Its totient is φ = 17118526320.

The previous prime is 18152043991. The next prime is 18152044067. The reversal of 18152044037 is 73044025181.

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

It is a cyclic number.

It is not a de Polignac number, because 18152044037 - 220 = 18150995461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18152043988 and 18152044006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18152044067) 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, 7277039 + ... + 7279532.

It is an arithmetic number, because the mean of its divisors is an integer number (2401834380).

Almost surely, 218152044037 is an apocalyptic number.

It is an amenable number.

18152044037 is a deficient number, since it is larger than the sum of its proper divisors (1062631003).

18152044037 is a wasteful number, since it uses less digits than its factorization.

18152044037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14556643.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 18152044037 in words is "eighteen billion, one hundred fifty-two million, forty-four thousand, thirty-seven".

Divisors: 1 29 43 1247 14556571 422140559 625932553 18152044037