Search a number
-
+
13111301333220 = 22351571391857891
BaseRepresentation
bin1011111011001011011001…
…1101010110000011100100
31201102102120010121002020020
42332302312131112003210
53204303421120130340
643515125414235140
72522155161334266
oct276626635260344
951372503532206
1013111301333220
1141a5520878802
121579084355ab0
1374150c96907c
14334839d95b36
1517b0c5b349d0
hexbecb67560e4

13111301333220 has 48 divisors (see below), whose sum is σ = 36945475885248. Its totient is φ = 3474077293440.

The previous prime is 13111301333209. The next prime is 13111301333239. The reversal of 13111301333220 is 2233310311131.

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, 695919526 + ... + 695938365.

It is an arithmetic number, because the mean of its divisors is an integer number (769697414276).

Almost surely, 213111301333220 is an apocalyptic number.

13111301333220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13111301333220 is an abundant number, since it is smaller than the sum of its proper divisors (23834174552028).

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

13111301333220 is a wasteful number, since it uses less digits than its factorization.

13111301333220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391858060 (or 1391858058 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 13111301333220 its reverse (2233310311131), we get a palindrome (15344611644351).

The spelling of 13111301333220 in words is "thirteen trillion, one hundred eleven billion, three hundred one million, three hundred thirty-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 157 314 471 628 785 942 1570 1884 2355 3140 4710 9420 1391857891 2783715782 4175573673 5567431564 6959289455 8351147346 13918578910 16702294692 20877868365 27837157820 41755736730 83511473460 218521688887 437043377774 655565066661 874086755548 1092608444435 1311130133322 2185216888870 2622260266644 3277825333305 4370433777740 6555650666610 13111301333220