Search a number
-
+
20140131521330 = 2517398591180819
BaseRepresentation
bin1001001010001001111010…
…11000101001001100110010
32122022101012101122100202022
410211010331120221030302
510114433442132140310
6110500125414551442
74146035143216202
oct445047530511462
978271171570668
1020140131521330
116465422212097
122313361368582
13b3128b1a4ab2
144d8b05124402
1524dd573d6a55
hex12513d629332

20140131521330 has 32 divisors (see below), whose sum is σ = 36465516446400. Its totient is φ = 8008666644672.

The previous prime is 20140131521329. The next prime is 20140131521357. The reversal of 20140131521330 is 3312513104102.

It is a self number, because there is not a number n which added to its sum of digits gives 20140131521330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16465661 + ... + 17646479.

It is an arithmetic number, because the mean of its divisors is an integer number (1139547388950).

Almost surely, 220140131521330 is an apocalyptic number.

20140131521330 is a deficient number, since it is larger than the sum of its proper divisors (16325384925070).

20140131521330 is a wasteful number, since it uses less digits than its factorization.

20140131521330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190858.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 20140131521330 its reverse (3312513104102), we get a palindrome (23452644625432).

The spelling of 20140131521330 in words is "twenty trillion, one hundred forty billion, one hundred thirty-one million, five hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 173 346 865 1730 9859 19718 49295 98590 1180819 1705607 2361638 3411214 5904095 8528035 11808190 17056070 204281687 408563374 1021408435 2042816870 11641694521 23283389042 58208472605 116416945210 2014013152133 4028026304266 10070065760665 20140131521330