Search a number
-
+
13420104313 = 71131519539
BaseRepresentation
bin11000111111110011…
…01000101001111001
31021122021021221020111
430133321220221321
5204441021314223
610055355224321
7653364001360
oct143771505171
937567257214
1013420104313
115767332000
1227264480a1
13135b432035
149144847d7
1553828730d
hex31fe68a79

13420104313 has 32 divisors (see below), whose sum is σ = 16983336960. Its totient is φ = 10386882000.

The previous prime is 13420104311. The next prime is 13420104337. The reversal of 13420104313 is 31340102431.

It is not a de Polignac number, because 13420104313 - 21 = 13420104311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13420104311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1402098 + ... + 1411636.

It is an arithmetic number, because the mean of its divisors is an integer number (530729280).

Almost surely, 213420104313 is an apocalyptic number.

It is an amenable number.

13420104313 is a deficient number, since it is larger than the sum of its proper divisors (3563232647).

13420104313 is an equidigital number, since it uses as much as digits as its factorization.

13420104313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9730 (or 9708 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13420104313 its reverse (31340102431), we get a palindrome (44760206744).

The spelling of 13420104313 in words is "thirteen billion, four hundred twenty million, one hundred four thousand, three hundred thirteen".

Divisors: 1 7 11 77 121 151 847 1057 1331 1661 9317 9539 11627 18271 66773 104929 127897 200981 734503 1154219 1406867 1440389 8079533 10082723 12696409 15844279 88874863 110909953 174287069 1220009483 1917157759 13420104313