Search a number
-
+
10020101111020 = 225711134710649033
BaseRepresentation
bin1001000111001111110010…
…0100010011110011101100
31022110220122002000111022201
42101303330210103303230
52303132131341023040
633151100525351244
72052633306101440
oct221637444236354
938426562014281
1010020101111020
113213556943270
121159b67708524
13578b78775560
14268d92a14820
151259a49d2a9a
hex91cfc913cec

10020101111020 has 192 divisors, whose sum is σ = 28853600219136. Its totient is φ = 2821567518720.

The previous prime is 10020101111011. The next prime is 10020101111023. The reversal of 10020101111020 is 2011110102001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10020101110988 and 10020101111006.

It is not an unprimeable number, because it can be changed into a prime (10020101111023) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 4383577 + ... + 6265456.

It is an arithmetic number, because the mean of its divisors is an integer number (150279167808).

Almost surely, 210020101111020 is an apocalyptic number.

10020101111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020101111020 is an abundant number, since it is smaller than the sum of its proper divisors (18833499108116).

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

10020101111020 is a wasteful number, since it uses less digits than its factorization.

10020101111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10649120 (or 10649118 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10020101111020 its reverse (2011110102001), we get a palindrome (12031211213021).

The spelling of 10020101111020 in words is "ten trillion, twenty billion, one hundred one million, one hundred eleven thousand, twenty".