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10211020211020 = 225510551010551
BaseRepresentation
bin1001010010010111000000…
…1110111000001101001100
31100011011102112222122212111
42110211300032320031030
52314244132133223040
633414513344313404
72102502412502356
oct224456016701514
940134375878774
1010211020211020
113287518787932
12118ab6a012864
13590b8362a505
14274304a620d6
1512a92aae9dea
hex949703b834c

10211020211020 has 12 divisors (see below), whose sum is σ = 21443142443184. Its totient is φ = 4084408084400.

The previous prime is 10211020210961. The next prime is 10211020211023. The reversal of 10211020211020 is 2011202011201.

It is not an unprimeable number, because it can be changed into a prime (10211020211023) 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 3 ways as a sum of consecutive naturals, for example, 255275505256 + ... + 255275505295.

It is an arithmetic number, because the mean of its divisors is an integer number (1786928536932).

Almost surely, 210211020211020 is an apocalyptic number.

10211020211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211020211020 is an abundant number, since it is smaller than the sum of its proper divisors (11232122232164).

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

10211020211020 is a wasteful number, since it uses less digits than its factorization.

10211020211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510551010560 (or 510551010558 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10211020211020 its reverse (2011202011201), we get a palindrome (12222222222221).

The spelling of 10211020211020 in words is "ten trillion, two hundred eleven billion, twenty million, two hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 510551010551 1021102021102 2042204042204 2552755052755 5105510105510 10211020211020