Search a number
-
+
1101021010220 = 225115061478451
BaseRepresentation
bin10000000001011001111…
…101110101100100101100
310220020221001021110110002
4100001121331311210230
5121014342334311340
62201445125203432
7142355220112505
oct20013175654454
93806831243402
101101021010220
11394a3872509a
12159475860578
137ca97490631
143b40ad23bac
151d990432715
hex10059f7592c

1101021010220 has 24 divisors (see below), whose sum is σ = 2312169049008. Its totient is φ = 440403656000.

The previous prime is 1101021010147. The next prime is 1101021010223. The reversal of 1101021010220 is 220101201011.

It is not an unprimeable number, because it can be changed into a prime (1101021010223) 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, 2061995 + ... + 2540445.

It is an arithmetic number, because the mean of its divisors is an integer number (96340377042).

Almost surely, 21101021010220 is an apocalyptic number.

1101021010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101021010220 is an abundant number, since it is smaller than the sum of its proper divisors (1211148038788).

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

1101021010220 is a wasteful number, since it uses less digits than its factorization.

1101021010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593521 (or 593519 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1101021010220 its reverse (220101201011), we get a palindrome (1321122211231).

The spelling of 1101021010220 in words is "one trillion, one hundred one billion, twenty-one million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 115061 230122 460244 478451 575305 956902 1150610 1913804 2301220 2392255 4784510 9569020 55051050511 110102101022 220204202044 275255252555 550510505110 1101021010220