Search a number
-
+
20210102021010 = 235112329101909091
BaseRepresentation
bin1001001100001100001111…
…11100111010101110010010
32122120001210202111000210110
410212012013330322232102
510122110242104133020
6110552220453342150
74154063111521116
oct446060774725622
978501722430713
1020210102021010
116492068795130
122324a2a337956
13b37a5c490a25
144dc261c5b746
15250aa011b8e0
hex126187f3ab92

20210102021010 has 256 divisors, whose sum is σ = 57683851038720. Its totient is φ = 4479995520000.

The previous prime is 20210102020993. The next prime is 20210102021023. The reversal of 20210102021010 is 1012020101202.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 21776565 + ... + 22685655.

It is an arithmetic number, because the mean of its divisors is an integer number (225327543120).

Almost surely, 220210102021010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20210102021010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28841925519360).

20210102021010 is an abundant number, since it is smaller than the sum of its proper divisors (37473749017710).

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

20210102021010 is a wasteful number, since it uses less digits than its factorization.

20210102021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909265.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20210102021010 its reverse (1012020101202), we get a palindrome (21222122122212).

The spelling of 20210102021010 in words is "twenty trillion, two hundred ten billion, one hundred two million, twenty-one thousand, ten".