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102020130419 = 313290971949
BaseRepresentation
bin101111100000011011…
…1111010011001110011
3100202022221212121012212
41133000313322121303
53132414123133134
6114511205242335
710241103541364
oct1370067723163
9322287777185
10102020130419
113a2a2781a79
12179324033ab
13980b1b469c
144d1b479b6b
1529c1776bce
hex17c0dfa673

102020130419 has 4 divisors (see below), whose sum is σ = 105311102400. Its totient is φ = 98729158440.

The previous prime is 102020130379. The next prime is 102020130467. The reversal of 102020130419 is 914031020201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102020130419 - 212 = 102020126323 is a prime.

It is a super-2 number, since 2×1020201304192 (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 = 102020130394 and 102020130403.

It is not an unprimeable number, because it can be changed into a prime (102020130479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645485944 + ... + 1645486005.

It is an arithmetic number, because the mean of its divisors is an integer number (26327775600).

Almost surely, 2102020130419 is an apocalyptic number.

102020130419 is a deficient number, since it is larger than the sum of its proper divisors (3290971981).

102020130419 is an equidigital number, since it uses as much as digits as its factorization.

102020130419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290971980.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 102020130419 in words is "one hundred two billion, twenty million, one hundred thirty thousand, four hundred nineteen".

Divisors: 1 31 3290971949 102020130419