Search a number
-
+
13040321412412 = 2278915263342847
BaseRepresentation
bin1011110111000010111110…
…1110011011110100111100
31201011122100102100111201101
42331300233232123310330
53202123034240144122
643422350240222444
72514063215062540
oct275605756336474
951148312314641
1013040321412412
114178407527728
12156737530aa24
1373790a4c4a28
1433122517ba20
1517931e4ac027
hexbdc2fb9bd3c

13040321412412 has 48 divisors (see below), whose sum is σ = 26375488634880. Its totient is φ = 5525536528512.

The previous prime is 13040321412409. The next prime is 13040321412463. The reversal of 13040321412412 is 21421412304031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37863973 + ... + 38206819.

It is an arithmetic number, because the mean of its divisors is an integer number (549489346560).

Almost surely, 213040321412412 is an apocalyptic number.

It is an amenable number.

13040321412412 is an abundant number, since it is smaller than the sum of its proper divisors (13335167222468).

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

13040321412412 is a wasteful number, since it uses less digits than its factorization.

13040321412412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358210 (or 358208 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 13040321412412 its reverse (21421412304031), we get a palindrome (34461733716443).

The spelling of 13040321412412 in words is "thirteen trillion, forty billion, three hundred twenty-one million, four hundred twelve thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 89 178 356 623 1246 2492 15263 30526 61052 106841 213682 342847 427364 685694 1358407 1371388 2399929 2716814 4799858 5433628 9508849 9599716 19017698 30513383 38035396 61026766 122053532 213593681 427187362 854374724 5232873761 10465747522 20931495044 36630116327 73260232654 146520465308 465725764729 931451529458 1862903058916 3260080353103 6520160706206 13040321412412