Search a number
-
+
20010211321100 = 2252711131910521169
BaseRepresentation
bin1001000110010111111011…
…00010011010010100001100
32121211221212000212100211112
410203023331202122110030
510110321403044233400
6110320321510111152
74133455455562220
oct443137542322414
977757760770745
1020010211321100
116415312697790
1222b214334b4b8
13b21c549c0480
144d26dc4ac780
1524a7a1587835
hex1232fd89a50c

20010211321100 has 288 divisors, whose sum is σ = 61369563763200. Its totient is φ = 5454173491200.

The previous prime is 20010211321039. The next prime is 20010211321103. The reversal of 20010211321100 is 112311201002.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (20010211321103) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3358685 + ... + 7162484.

Almost surely, 220010211321100 is an apocalyptic number.

20010211321100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010211321100 is an abundant number, since it is smaller than the sum of its proper divisors (41359352442100).

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

20010211321100 is a wasteful number, since it uses less digits than its factorization.

20010211321100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10521233 (or 10521226 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20010211321100 its reverse (112311201002), we get a palindrome (20122522522102).

The spelling of 20010211321100 in words is "twenty trillion, ten billion, two hundred eleven million, three hundred twenty-one thousand, one hundred".