Search a number
-
+
20000313101020 = 2257142859379293
BaseRepresentation
bin1001000110000101011111…
…00011101100101011011100
32121211000022012121200111211
410203002233203230223130
510110141120123213040
6110312003400554204
74132655255234560
oct443025743545334
977730265550454
1020000313101020
1164110a337a50a
1222b0240482964
13b2103811aa05
144d203da816a0
1524a3c25d18ea
hex1230af8ecadc

20000313101020 has 24 divisors (see below), whose sum is σ = 48000751442784. Its totient is φ = 6857250206016.

The previous prime is 20000313101011. The next prime is 20000313101023. The reversal of 20000313101020 is 2010131300002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000313101023) 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 7 ways as a sum of consecutive naturals, for example, 71429689507 + ... + 71429689786.

It is an arithmetic number, because the mean of its divisors is an integer number (2000031310116).

Almost surely, 220000313101020 is an apocalyptic number.

20000313101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000313101020 is an abundant number, since it is smaller than the sum of its proper divisors (28000438341764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20000313101020 is a wasteful number, since it uses less digits than its factorization.

20000313101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142859379309 (or 142859379307 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20000313101020 its reverse (2010131300002), we get a palindrome (22010444401022).

The spelling of 20000313101020 in words is "twenty trillion, three hundred thirteen million, one hundred one thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 142859379293 285718758586 571437517172 714296896465 1000015655051 1428593792930 2000031310102 2857187585860 4000062620204 5000078275255 10000156550510 20000313101020