Search a number
-
+
20386032141 = 346382717747
BaseRepresentation
bin10010111111000110…
…100010101000001101
31221121201220201210110
4102333012202220031
5313222311012031
613210515230233
71321120262016
oct227706425015
957551821713
1020386032141
118711424752
123b4b2a8379
131bcb668617
14db569200d
157e4ac0c46
hex4bf1a2a0d

20386032141 has 16 divisors (see below), whose sum is σ = 27274558464. Its totient is φ = 13544173104.

The previous prime is 20386032133. The next prime is 20386032157. The reversal of 20386032141 is 14123068302.

It is not a de Polignac number, because 20386032141 - 23 = 20386032133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20386032099 and 20386032108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20386432141) 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 15 ways as a sum of consecutive naturals, for example, 1139830 + ... + 1157576.

It is an arithmetic number, because the mean of its divisors is an integer number (1704659904).

Almost surely, 220386032141 is an apocalyptic number.

It is an amenable number.

20386032141 is a deficient number, since it is larger than the sum of its proper divisors (6888526323).

20386032141 is a wasteful number, since it uses less digits than its factorization.

20386032141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19040.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 20386032141 in words is "twenty billion, three hundred eighty-six million, thirty-two thousand, one hundred forty-one".

Divisors: 1 3 463 827 1389 2481 17747 53241 382901 1148703 8216861 14676769 24650583 44030307 6795344047 20386032141