Search a number
-
+
10212102002020 = 225510605100101
BaseRepresentation
bin1001010010011011000010…
…1101100101010101100100
31100011021012221120100010211
42110212300231211111210
52314303341103031040
633415212551025204
72102541256536112
oct224466055452544
940137187510124
1010212102002020
113287a23395486
12118b21036b204
13590cc67a4029
142743a85c0ab2
1512a990a858ea
hex949b0b65564

10212102002020 has 12 divisors (see below), whose sum is σ = 21445414204284. Its totient is φ = 4084840800800.

The previous prime is 10212102001999. The next prime is 10212102002059. The reversal of 10212102002020 is 2020020121201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4771489771876 + 5440612230144 = 2184374^2 + 2332512^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255302550031 + ... + 255302550070.

It is an arithmetic number, because the mean of its divisors is an integer number (1787117850357).

Almost surely, 210212102002020 is an apocalyptic number.

10212102002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212102002020 is an abundant number, since it is smaller than the sum of its proper divisors (11233312202264).

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

10212102002020 is a wasteful number, since it uses less digits than its factorization.

10212102002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510605100110 (or 510605100108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10212102002020 its reverse (2020020121201), we get a palindrome (12232122123221).

The spelling of 10212102002020 in words is "ten trillion, two hundred twelve billion, one hundred two million, two thousand, twenty".

Divisors: 1 2 4 5 10 20 510605100101 1021210200202 2042420400404 2553025500505 5106051001010 10212102002020