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1101210000210 = 232554049226381
BaseRepresentation
bin10000000001100101001…
…110110001101101010010
310220021102012220010222100
4100001211032301231102
5121020234230001320
62201520000021230
7142363003362645
oct20014516615522
93807365803870
101101210000210
11395025378071
12159509001816
137cac7691428
143b42807ba5c
151d9a1d14790
hex100653b1b52

1101210000210 has 48 divisors (see below), whose sum is σ = 2863211621400. Its totient is φ = 293649269760.

The previous prime is 1101210000193. The next prime is 1101210000211. The reversal of 1101210000210 is 120000121011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1071467203689 + 29742796521 = 1035117^2 + 172461^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1101210000192 and 1101210000201.

It is not an unprimeable number, because it can be changed into a prime (1101210000211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4751220 + ... + 4977600.

Almost surely, 21101210000210 is an apocalyptic number.

1101210000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1101210000210 is an abundant number, since it is smaller than the sum of its proper divisors (1762001621190).

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

1101210000210 is a wasteful number, since it uses less digits than its factorization.

1101210000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280443 (or 280440 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1101210000210 its reverse (120000121011), we get a palindrome (1221210121221).

The spelling of 1101210000210 in words is "one trillion, one hundred one billion, two hundred ten million, two hundred ten", and thus it is an aban number.

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 54049 108098 162147 226381 270245 324294 452762 486441 540490 679143 810735 972882 1131905 1358286 1621470 2037429 2263810 2432205 3395715 4074858 4864410 6791430 10187145 20374290 12235666669 24471333338 36707000007 61178333345 73414000014 110121000021 122356666690 183535000035 220242000042 367070000070 550605000105 1101210000210