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15911400134 = 278011141871
BaseRepresentation
bin11101101000110010…
…01011001011000110
31112001220002212122002
432310121023023012
5230041304301014
611150512305302
71102204445450
oct166431131306
945056085562
1015911400134
116825630473
123100842232
131667604686
14aad2ab2d0
15631d43dde
hex3b464b2c6

15911400134 has 16 divisors (see below), whose sum is σ = 27280283136. Its totient is φ = 6818272200.

The previous prime is 15911400133. The next prime is 15911400137. The reversal of 15911400134 is 43100411951.

15911400134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15911400097 and 15911400106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15911400133) 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, 41219 + ... + 183089.

It is an arithmetic number, because the mean of its divisors is an integer number (1705017696).

Almost surely, 215911400134 is an apocalyptic number.

15911400134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15911400134 is a deficient number, since it is larger than the sum of its proper divisors (11368883002).

15911400134 is a wasteful number, since it uses less digits than its factorization.

15911400134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149891.

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 15911400134 in words is "fifteen billion, nine hundred eleven million, four hundred thousand, one hundred thirty-four".

Divisors: 1 2 7 14 8011 16022 56077 112154 141871 283742 993097 1986194 1136528581 2273057162 7955700067 15911400134