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159928184431 = 3773367716103
BaseRepresentation
bin1001010011110001110…
…1100110111001101111
3120021210200002112120001
42110330131212321233
510110013103400211
6201245304005131
714361112065241
oct2247435467157
9507720075501
10159928184431
1161909322054
1226bb37607a7
13121094138c2
147a5217c091
154260503ac1
hex253c766e6f

159928184431 has 16 divisors (see below), whose sum is σ = 166556199744. Its totient is φ = 153422947584.

The previous prime is 159928184411. The next prime is 159928184441. The reversal of 159928184431 is 134481829951.

It is a cyclic number.

It is not a de Polignac number, because 159928184431 - 217 = 159928053359 is a prime.

It is a super-2 number, since 2×1599281844312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159928184401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9923526 + ... + 9939628.

It is an arithmetic number, because the mean of its divisors is an integer number (10409762484).

Almost surely, 2159928184431 is an apocalyptic number.

159928184431 is a deficient number, since it is larger than the sum of its proper divisors (6628015313).

159928184431 is a wasteful number, since it uses less digits than its factorization.

159928184431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19890.

The product of its digits is 2488320, while the sum is 55.

The spelling of 159928184431 in words is "one hundred fifty-nine billion, nine hundred twenty-eight million, one hundred eighty-four thousand, four hundred thirty-one".

Divisors: 1 37 73 2701 3677 16103 136049 268421 595811 1175519 9931577 43494203 59210731 2190797047 4322383363 159928184431