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2149387255366 = 21382668740591
BaseRepresentation
bin11111010001110001011…
…101101011111001000110
321121110221111022201012221
4133101301131223321012
5240203421114132431
64323225340202554
7311200551136561
oct37216135537106
97543844281187
102149387255366
1175960608690a
122a869553945a
131278bcba5030
1476060adb4d8
153ad9cdc3111
hex1f47176be46

2149387255366 has 8 divisors (see below), whose sum is σ = 3472087104864. Its totient is φ = 992024887080.

The previous prime is 2149387255339. The next prime is 2149387255387. The reversal of 2149387255366 is 6635527839412.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41334370270 + ... + 41334370321.

It is an arithmetic number, because the mean of its divisors is an integer number (434010888108).

Almost surely, 22149387255366 is an apocalyptic number.

2149387255366 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2149387255366 is a deficient number, since it is larger than the sum of its proper divisors (1322699849498).

2149387255366 is a wasteful number, since it uses less digits than its factorization.

2149387255366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82668740606.

The product of its digits is 65318400, while the sum is 61.

The spelling of 2149387255366 in words is "two trillion, one hundred forty-nine billion, three hundred eighty-seven million, two hundred fifty-five thousand, three hundred sixty-six".

Divisors: 1 2 13 26 82668740591 165337481182 1074693627683 2149387255366