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149859679393 = 197999839893
BaseRepresentation
bin1000101110010001010…
…1010011110010100001
3112022210222102111012001
42023210111103302201
54423403034220033
6152502233004001
713553443154164
oct2134425236241
9468728374161
10149859679393
1158611978206
1225063853601
131119348c208
147378ca5adb
153d71612e7d
hex22e4553ca1

149859679393 has 8 divisors (see below), whose sum is σ = 159743830400. Its totient is φ = 140175208368.

The previous prime is 149859679391. The next prime is 149859679423. The reversal of 149859679393 is 393976958941.

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 149859679393 - 21 = 149859679391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149859679391) 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, 49918446 + ... + 49921447.

It is an arithmetic number, because the mean of its divisors is an integer number (19967978800).

Almost surely, 2149859679393 is an apocalyptic number.

It is an amenable number.

149859679393 is a deficient number, since it is larger than the sum of its proper divisors (9884151007).

149859679393 is an equidigital number, since it uses as much as digits as its factorization.

149859679393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99839991.

The product of its digits is 396809280, while the sum is 73.

The spelling of 149859679393 in words is "one hundred forty-nine billion, eight hundred fifty-nine million, six hundred seventy-nine thousand, three hundred ninety-three".

Divisors: 1 19 79 1501 99839893 1896957967 7887351547 149859679393