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16239311057485 = 55285961443883
BaseRepresentation
bin1110110001010000001001…
…0111011111001001001101
32010111110111111202010021001
43230110002113133021031
54112031102112314420
654312123030340301
73264152160314515
oct354240227371115
963443444663231
1016239311057485
1151a1064808a2a
1219a33544ba691
1390a48bc1c639
14401db5cb0845
151d264d5eab0a
hexec5025df24d

16239311057485 has 8 divisors (see below), whose sum is σ = 19487542249440. Its totient is φ = 12991202859024.

The previous prime is 16239311057483. The next prime is 16239311057503. The reversal of 16239311057485 is 58475011393261.

16239311057485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16239311057485 - 21 = 16239311057483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16239311057483) 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, 30457647 + ... + 30986236.

It is an arithmetic number, because the mean of its divisors is an integer number (2435942781180).

It is a 1-persistent number, because it is pandigital, but 2⋅16239311057485 = 32478622114970 is not.

Almost surely, 216239311057485 is an apocalyptic number.

It is an amenable number.

16239311057485 is a deficient number, since it is larger than the sum of its proper divisors (3248231191955).

16239311057485 is an equidigital number, since it uses as much as digits as its factorization.

16239311057485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61496747.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 16239311057485 in words is "sixteen trillion, two hundred thirty-nine billion, three hundred eleven million, fifty-seven thousand, four hundred eighty-five".

Divisors: 1 5 52859 264295 61443883 307219415 3247862211497 16239311057485