Search a number
-
+
13122033340 = 22513499101141
BaseRepresentation
bin11000011100010001…
…00101011010111100
31020212111102100201211
430032020211122330
5203333220031330
610010030414204
7643114304653
oct141610453274
936774370654
1013122033340
115624055959
122662661364
13131175b290
148c6a5419a
1551c009d2a
hex30e2256bc

13122033340 has 48 divisors (see below), whose sum is σ = 29735748000. Its totient is φ = 4835301120.

The previous prime is 13122033293. The next prime is 13122033367. The reversal of 13122033340 is 4333022131.

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, 79170 + ... + 180310.

It is an arithmetic number, because the mean of its divisors is an integer number (619494750).

Almost surely, 213122033340 is an apocalyptic number.

13122033340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13122033340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14867874000).

13122033340 is an abundant number, since it is smaller than the sum of its proper divisors (16613714660).

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

13122033340 is a wasteful number, since it uses less digits than its factorization.

13122033340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101662 (or 101660 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13122033340 its reverse (4333022131), we get a palindrome (17455055471).

The spelling of 13122033340 in words is "thirteen billion, one hundred twenty-two million, thirty-three thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 499 998 1996 2495 4990 6487 9980 12974 25948 32435 64870 101141 129740 202282 404564 505705 1011410 1314833 2022820 2629666 5259332 6574165 13148330 26296660 50469359 100938718 201877436 252346795 504693590 656101667 1009387180 1312203334 2624406668 3280508335 6561016670 13122033340