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13346240440 = 23513233910973
BaseRepresentation
bin11000110110111111…
…10111011110111000
31021110010022021001111
430123133313132320
5204313114143230
610044200130104
7651506112661
oct143337673670
937403267044
1013346240440
115729671a85
122705766934
13134903c8c0
14908738368
15531a4692a
hex31b7f77b8

13346240440 has 64 divisors (see below), whose sum is σ = 32355741600. Its totient is φ = 4925286912.

The previous prime is 13346240417. The next prime is 13346240443. The reversal of 13346240440 is 4404264331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13346240443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1210794 + ... + 1221766.

Almost surely, 213346240440 is an apocalyptic number.

13346240440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13346240440 is an abundant number, since it is smaller than the sum of its proper divisors (19009501160).

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

13346240440 is a wasteful number, since it uses less digits than its factorization.

13346240440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13336 (or 13332 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The spelling of 13346240440 in words is "thirteen billion, three hundred forty-six million, two hundred forty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 2339 4678 9356 10973 11695 18712 21946 23390 30407 43892 46780 54865 60814 87784 93560 109730 121628 142649 152035 219460 243256 285298 304070 438920 570596 608140 713245 1141192 1216280 1426490 2852980 5705960 25665847 51331694 102663388 128329235 205326776 256658470 333656011 513316940 667312022 1026633880 1334624044 1668280055 2669248088 3336560110 6673120220 13346240440