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1020010019 = 7231671501
BaseRepresentation
bin111100110011000…
…001111000100011
32122002022212200212
4330303001320203
54042110310034
6245114204335
734163641100
oct7463017043
92562285625
101020010019
11483850696
122457236ab
13133425032
1499679aa7
155e8352ce
hex3ccc1e23

1020010019 has 12 divisors (see below), whose sum is σ = 1224819648. Its totient is φ = 846090000.

The previous prime is 1020010007. The next prime is 1020010031. The reversal of 1020010019 is 9100100201.

1020010019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1020010007) and next prime (1020010031).

It is not a de Polignac number, because 1020010019 - 216 = 1019944483 is a prime.

It is a super-2 number, since 2×10200100192 = 2080840877720760722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020009985 and 1020010012.

It is not an unprimeable number, because it can be changed into a prime (1020010039) 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, 334232 + ... + 337269.

It is an arithmetic number, because the mean of its divisors is an integer number (102068304).

Almost surely, 21020010019 is an apocalyptic number.

1020010019 is a deficient number, since it is larger than the sum of its proper divisors (204809629).

1020010019 is an equidigital number, since it uses as much as digits as its factorization.

1020010019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671546 (or 671539 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1020010019 is about 31937.5956984868. The cubic root of 1020010019 is about 1006.6260054163.

The spelling of 1020010019 in words is "one billion, twenty million, ten thousand, nineteen".

Divisors: 1 7 31 49 217 1519 671501 4700507 20816531 32903549 145715717 1020010019