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212020101019 = 18231016911437
BaseRepresentation
bin1100010101110101100…
…0011111111110011011
3202021021001020002021001
43011131120133332123
511433204121213034
6241222314325431
721214025060206
oct3053530377633
9667231202231
10212020101019
1181a0a901a91
1235111129877
1316cbb6a109c
14a39465293d
1557ad865a14
hex315d61ff9b

212020101019 has 8 divisors (see below), whose sum is σ = 212175815040. Its totient is φ = 211864433856.

The previous prime is 212020101017. The next prime is 212020101047. The reversal of 212020101019 is 910101020212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212020101019 - 21 = 212020101017 is a prime.

It is a super-2 number, since 2×2120201010192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212020100987 and 212020101005.

It is not an unprimeable number, because it can be changed into a prime (212020101011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18532369 + ... + 18543805.

It is an arithmetic number, because the mean of its divisors is an integer number (26521976880).

Almost surely, 2212020101019 is an apocalyptic number.

212020101019 is a deficient number, since it is larger than the sum of its proper divisors (155714021).

212020101019 is a wasteful number, since it uses less digits than its factorization.

212020101019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23429.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 212020101019 in words is "two hundred twelve billion, twenty million, one hundred one thousand, nineteen".

Divisors: 1 1823 10169 11437 18538087 20849651 116302853 212020101019