Search a number
-
+
10302012020 = 225547941683
BaseRepresentation
bin10011001100000110…
…00011101001110100
3222120222001102201202
421212003003221310
5132044303341040
64422131512032
7513202441316
oct114603035164
928528042652
1010302012020
114407243123
121bb6158618
13c82441001
146da2db7b6
15404668015
hex2660c3a74

10302012020 has 24 divisors (see below), whose sum is σ = 21673798944. Its totient is φ = 4113266976.

The previous prime is 10302012013. The next prime is 10302012029. The reversal of 10302012020 is 2021020301.

It is a happy number.

It is a super-2 number, since 2×103020120202 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10302011992 and 10302012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10302012029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459902 + ... + 481781.

It is an arithmetic number, because the mean of its divisors is an integer number (903074956).

Almost surely, 210302012020 is an apocalyptic number.

10302012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10302012020 is an abundant number, since it is smaller than the sum of its proper divisors (11371786924).

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

10302012020 is a wasteful number, since it uses less digits than its factorization.

10302012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942239 (or 942237 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 10302012020 its reverse (2021020301), we get a palindrome (12323032321).

The spelling of 10302012020 in words is "ten billion, three hundred two million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 547 1094 2188 2735 5470 10940 941683 1883366 3766732 4708415 9416830 18833660 515100601 1030201202 2060402404 2575503005 5151006010 10302012020