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10212101019 = 321959719889
BaseRepresentation
bin10011000001011000…
…00100101110011011
3222100200212111000200
421200230010232123
5131403244213034
64405200433243
7511031266161
oct114054045633
928320774020
1010212101019
11437051270a
121b90018823
13c69920733
146cc3b5231
153eb807a99
hex260b04b9b

10212101019 has 12 divisors (see below), whose sum is σ = 15527171400. Its totient is φ = 6449747904.

The previous prime is 10212101017. The next prime is 10212101021. The reversal of 10212101019 is 91010121201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10212101017) and next prime (10212101021).

It is not a de Polignac number, because 10212101019 - 21 = 10212101017 is a prime.

It is a super-2 number, since 2×102121010192 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10212100992 and 10212101010.

It is not an unprimeable number, because it can be changed into a prime (10212101017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29859774 + ... + 29860115.

It is an arithmetic number, because the mean of its divisors is an integer number (1293930950).

Almost surely, 210212101019 is an apocalyptic number.

10212101019 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10212101019 is a deficient number, since it is larger than the sum of its proper divisors (5315070381).

10212101019 is a wasteful number, since it uses less digits than its factorization.

10212101019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59719914 (or 59719911 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 10212101019 in words is "ten billion, two hundred twelve million, one hundred one thousand, nineteen".

Divisors: 1 3 9 19 57 171 59719889 179159667 537479001 1134677891 3404033673 10212101019