Search a number
-
+
1340121313470 = 23579565452031
BaseRepresentation
bin10011100000000101011…
…101000111000010111110
311202010002100200100112010
4103200011131013002332
5133424032024012340
62503350534352050
7165551312133642
oct23400535070276
94663070610463
101340121313470
114773845a98a5
12197883abb626
13994b0343704
1448c0dcd4c22
1524cd63c1b80
hex138057470be

1340121313470 has 32 divisors (see below), whose sum is σ = 3257003704320. Its totient is φ = 352842066720.

The previous prime is 1340121313469. The next prime is 1340121313477. The reversal of 1340121313470 is 743131210431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340121313477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282723646 + ... + 282728385.

It is an arithmetic number, because the mean of its divisors is an integer number (101781365760).

Almost surely, 21340121313470 is an apocalyptic number.

1340121313470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340121313470 is an abundant number, since it is smaller than the sum of its proper divisors (1916882390850).

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

1340121313470 is a wasteful number, since it uses less digits than its factorization.

1340121313470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565452120.

The product of its (nonzero) digits is 6048, while the sum is 30.

The spelling of 1340121313470 in words is "one trillion, three hundred forty billion, one hundred twenty-one million, three hundred thirteen thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 79 158 237 395 474 790 1185 2370 565452031 1130904062 1696356093 2827260155 3392712186 5654520310 8481780465 16963560930 44670710449 89341420898 134012131347 223353552245 268024262694 446707104490 670060656735 1340121313470