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2120000020019 = 7243998554229
BaseRepresentation
bin11110110110011001110…
…110010001111000110011
321111200002110001110220222
4132312121312101320303
5234213230001120034
64301525313523255
7306110401562600
oct36663166217063
97450073043828
102120000020019
117480a5819a52
122a2a5387352b
13124bb875788b
1474873bdd6a7
153a22ce8912e
hex1ed99d91e33

2120000020019 has 12 divisors (see below), whose sum is σ = 2471740088400. Its totient is φ = 1813003578288.

The previous prime is 2120000020013. The next prime is 2120000020031. The reversal of 2120000020019 is 9100200000212.

It is not a de Polignac number, because 2120000020019 - 24 = 2120000020003 is a prime.

It is a super-2 number, since 2×21200000200192 (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 = 2120000019979 and 2120000020006.

It is not an unprimeable number, because it can be changed into a prime (2120000020013) 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, 49255604 + ... + 49298625.

It is an arithmetic number, because the mean of its divisors is an integer number (205978340700).

Almost surely, 22120000020019 is an apocalyptic number.

2120000020019 is a deficient number, since it is larger than the sum of its proper divisors (351740068381).

2120000020019 is an equidigital number, since it uses as much as digits as its factorization.

2120000020019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98554682 (or 98554675 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 2120000020019 in words is "two trillion, one hundred twenty billion, twenty thousand, nineteen".

Divisors: 1 7 49 439 3073 21511 98554229 689879603 4829157221 43265306531 302857145717 2120000020019