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210000010101 = 3723342918457
BaseRepresentation
bin1100001110010011111…
…0011101101101110101
3202002001021001211110220
43003210332131231311
511420040000310401
6240250033004553
721112665430260
oct3034476355565
9662037054426
10210000010101
1181073592862
12348486b3759
1316a5901110b
14a242247cd7
1556e1335336
hex30e4f9db75

210000010101 has 16 divisors (see below), whose sum is σ = 321373413504. Its totient is φ = 119484981504.

The previous prime is 210000010081. The next prime is 210000010123. The reversal of 210000010101 is 101010000012.

It is not a de Polignac number, because 210000010101 - 215 = 209999977333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210000010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210000010151) 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 15 ways as a sum of consecutive naturals, for example, 21454336 + ... + 21464121.

It is an arithmetic number, because the mean of its divisors is an integer number (20085838344).

Almost surely, 2210000010101 is an apocalyptic number.

210000010101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

210000010101 is a deficient number, since it is larger than the sum of its proper divisors (111373403403).

210000010101 is a wasteful number, since it uses less digits than its factorization.

210000010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42918700.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 210000010101 its reverse (101010000012), we get a palindrome (311010010113).

The spelling of 210000010101 in words is "two hundred ten billion, ten thousand, one hundred one".

Divisors: 1 3 7 21 233 699 1631 4893 42918457 128755371 300429199 901287597 10000000481 30000001443 70000003367 210000010101