Search a number
-
+
13020020131322 = 2191453235810123
BaseRepresentation
bin1011110101110111010110…
…1011001100010111111010
31201002200221120220120111202
42331131311223030113322
53201310000123200242
643405151545254202
72512444144042241
oct275356553142772
951080846816452
1013020020131322
11416a839a29776
12156344a494362
13735a23591179
1433025ac6b958
15178a3207c932
hexbd775acc5fa

13020020131322 has 16 divisors (see below), whose sum is σ = 20572075217760. Its totient is φ = 6163133348592.

The previous prime is 13020020131319. The next prime is 13020020131357. The reversal of 13020020131322 is 22313102002031.

It is a junction number, because it is equal to n+sod(n) for n = 13020020131294 and 13020020131303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117849848 + ... + 117960275.

It is an arithmetic number, because the mean of its divisors is an integer number (1285754701110).

Almost surely, 213020020131322 is an apocalyptic number.

13020020131322 is a deficient number, since it is larger than the sum of its proper divisors (7552055086438).

13020020131322 is a wasteful number, since it uses less digits than its factorization.

13020020131322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235811597.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13020020131322 its reverse (22313102002031), we get a palindrome (35333122133353).

The spelling of 13020020131322 in words is "thirteen trillion, twenty billion, twenty million, one hundred thirty-one thousand, three hundred twenty-two".

Divisors: 1 2 19 38 1453 2906 27607 55214 235810123 471620246 4480392337 8960784674 342632108719 685264217438 6510010065661 13020020131322