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13011223340 = 2255326945631
BaseRepresentation
bin11000001111000011…
…11000001100101100
31020120202220121222202
430013201320030230
5203121333121330
65551031401032
7640300400513
oct140741701454
936522817882
1013011223340
115577550745
122631523178
1312c480132b
148b604b67a
1551241c445
hex30787832c

13011223340 has 48 divisors (see below), whose sum is σ = 27943211520. Its totient is φ = 5087197440.

The previous prime is 13011223319. The next prime is 13011223361. The reversal of 13011223340 is 4332211031.

It is an interprime number because it is at equal distance from previous prime (13011223319) and next prime (13011223361).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 262325 + ... + 307955.

It is an arithmetic number, because the mean of its divisors is an integer number (582150240).

Almost surely, 213011223340 is an apocalyptic number.

13011223340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13011223340 is an abundant number, since it is smaller than the sum of its proper divisors (14931988180).

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

13011223340 is a wasteful number, since it uses less digits than its factorization.

13011223340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45962 (or 45960 counting only the distinct ones).

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

Adding to 13011223340 its reverse (4332211031), we get a palindrome (17343434371).

The spelling of 13011223340 in words is "thirteen billion, eleven million, two hundred twenty-three thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 53 106 212 265 269 530 538 1060 1076 1345 2690 5380 14257 28514 45631 57028 71285 91262 142570 182524 228155 285140 456310 912620 2418443 4836886 9673772 12092215 12274739 24184430 24549478 48368860 49098956 61373695 122747390 245494780 650561167 1301122334 2602244668 3252805835 6505611670 13011223340