Search a number
-
+
13031221330290 = 2358327127192923
BaseRepresentation
bin1011110110100001000101…
…0100011000000101110010
31201010202212012221102211210
42331220101110120011302
53202000420130032130
643414243242020550
72513321545465062
oct275502124300562
951122765842753
1013031221330290
1141745677992a9
1215656557a7756
13736aba0a2757
14330a007533a2
15178e8a6115b0
hexbda11518172

13031221330290 has 64 divisors (see below), whose sum is σ = 31653068461056. Its totient is φ = 3432980624832.

The previous prime is 13031221330289. The next prime is 13031221330363. The reversal of 13031221330290 is 9203312213031.

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

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 67449769 + ... + 67642691.

It is an arithmetic number, because the mean of its divisors is an integer number (494579194704).

Almost surely, 213031221330290 is an apocalyptic number.

13031221330290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13031221330290 is an abundant number, since it is smaller than the sum of its proper divisors (18621847130766).

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

13031221330290 is a wasteful number, since it uses less digits than its factorization.

13031221330290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220143.

The product of its (nonzero) digits is 5832, while the sum is 30.

The spelling of 13031221330290 in words is "thirteen trillion, thirty-one billion, two hundred twenty-one million, three hundred thirty thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 83 166 249 415 498 830 1245 2490 27127 54254 81381 135635 162762 192923 271270 385846 406905 578769 813810 964615 1157538 1929230 2251541 2893845 4503082 5787690 6754623 11257705 13509246 16012609 22515410 32025218 33773115 48037827 67546230 80063045 96075654 160126090 240189135 480378270 5233422221 10466844442 15700266663 26167111105 31400533326 52334222210 78501333315 157002666630 434374044343 868748088686 1303122133029 2171870221715 2606244266058 4343740443430 6515610665145 13031221330290