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1020110202019 = 44315231511971
BaseRepresentation
bin11101101100000110100…
…11100110010010100011
310121112002020022112111001
432312003103212102203
5113203141202431034
62100344313532431
7133462165435426
oct16660323462243
93545066275431
101020110202019
11363698684367
12145854a14117
137527174976c
14375332179bd
151b806eeea14
hexed834e64a3

1020110202019 has 8 divisors (see below), whose sum is σ = 1023084925632. Its totient is φ = 1017138506280.

The previous prime is 1020110201959. The next prime is 1020110202031. The reversal of 1020110202019 is 9102020110201.

It is a happy number.

1020110202019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1020110202019 - 221 = 1020108104867 is a prime.

It is a super-2 number, since 2×10201102020192 (a number of 25 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 = 1020110201987 and 1020110202005.

It is not an unprimeable number, because it can be changed into a prime (1020110200019) 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, 81297 + ... + 1430674.

It is an arithmetic number, because the mean of its divisors is an integer number (127885615704).

Almost surely, 21020110202019 is an apocalyptic number.

1020110202019 is a deficient number, since it is larger than the sum of its proper divisors (2974723613).

1020110202019 is a wasteful number, since it uses less digits than its factorization.

1020110202019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513937.

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

The spelling of 1020110202019 in words is "one trillion, twenty billion, one hundred ten million, two hundred two thousand, nineteen".

Divisors: 1 443 1523 674689 1511971 669803153 2302731833 1020110202019