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10121303020 = 2254311768957
BaseRepresentation
bin10010110110100011…
…01101001111101100
3222010101000110120211
421123101231033230
5131212023144040
64352154352204
7505546441033
oct113321551754
928111013524
1010121303020
114324236844
121b6572b664
13c53b7c4ca
146c02db71a
153e386e8ea
hex25b46d3ec

10121303020 has 24 divisors (see below), whose sum is σ = 21749034384. Its totient is φ = 3954369216.

The previous prime is 10121303011. The next prime is 10121303029. The reversal of 10121303020 is 2030312101.

It is an interprime number because it is at equal distance from previous prime (10121303011) and next prime (10121303029).

It is a super-2 number, since 2×101213030202 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10121303029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5883619 + ... + 5885338.

It is an arithmetic number, because the mean of its divisors is an integer number (906209766).

Almost surely, 210121303020 is an apocalyptic number.

10121303020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121303020 is an abundant number, since it is smaller than the sum of its proper divisors (11627731364).

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

10121303020 is a wasteful number, since it uses less digits than its factorization.

10121303020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11769009 (or 11769007 counting only the distinct ones).

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

Adding to 10121303020 its reverse (2030312101), we get a palindrome (12151615121).

The spelling of 10121303020 in words is "ten billion, one hundred twenty-one million, three hundred three thousand, twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 11768957 23537914 47075828 58844785 117689570 235379140 506065151 1012130302 2024260604 2530325755 5060651510 10121303020