Search a number
-
+
1310020013320 = 235154747211639
BaseRepresentation
bin10011000100000011010…
…001110000110100001000
311122020101112202212110121
4103010003101300310020
5132430410110411240
62441452003153024
7163434342246244
oct23040321606410
94566345685417
101310020013320
11465638166537
12191a83075774
13966c3ca10c5
144759623b424
152412393804a
hex13103470d08

1310020013320 has 32 divisors (see below), whose sum is σ = 2947578004800. Its totient is φ = 524002143168.

The previous prime is 1310020013293. The next prime is 1310020013321. The reversal of 1310020013320 is 233100200131.

It is a junction number, because it is equal to n+sod(n) for n = 1310020013294 and 1310020013303.

It is not an unprimeable number, because it can be changed into a prime (1310020013321) 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, 6084061 + ... + 6295699.

It is an arithmetic number, because the mean of its divisors is an integer number (92111812650).

Almost surely, 21310020013320 is an apocalyptic number.

1310020013320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310020013320 is an abundant number, since it is smaller than the sum of its proper divisors (1637557991480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1310020013320 is a wasteful number, since it uses less digits than its factorization.

1310020013320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366397 (or 366393 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1310020013320 its reverse (233100200131), we get a palindrome (1543120213451).

The spelling of 1310020013320 in words is "one trillion, three hundred ten billion, twenty million, thirteen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 154747 211639 309494 423278 618988 773735 846556 1058195 1237976 1547470 1693112 2116390 3094940 4232780 6189880 8465560 32750500333 65501000666 131002001332 163752501665 262004002664 327505003330 655010006660 1310020013320