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13389789744 = 2432198358963
BaseRepresentation
bin11000111100001011…
…11111101000110000
31021120011020210110200
430132011333220300
5204410241232434
610052353355200
7652545222612
oct143605775060
937504223420
1013389789744
115751207241
122718268b00
131355079b16
14910432db2
1553579a199
hex31e17fa30

13389789744 has 120 divisors (see below), whose sum is σ = 39920986560. Its totient is φ = 4177339776.

The previous prime is 13389789739. The next prime is 13389789767. The reversal of 13389789744 is 44798798331.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197607 + ... + 256569.

It is an arithmetic number, because the mean of its divisors is an integer number (332674888).

Almost surely, 213389789744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13389789744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19960493280).

13389789744 is an abundant number, since it is smaller than the sum of its proper divisors (26531196816).

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

13389789744 is a wasteful number, since it uses less digits than its factorization.

13389789744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59079 (or 59070 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 63.

The spelling of 13389789744 in words is "thirteen billion, three hundred eighty-nine million, seven hundred eighty-nine thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 36 38 48 57 72 76 83 114 144 152 166 171 228 249 304 332 342 456 498 664 684 747 912 996 1328 1368 1494 1577 1992 2736 2988 3154 3984 4731 5976 6308 9462 11952 12616 14193 18924 25232 28386 37848 56772 58963 75696 113544 117926 176889 227088 235852 353778 471704 530667 707556 943408 1061334 1120297 1415112 2122668 2240594 2830224 3360891 4245336 4481188 4893929 6721782 8490672 8962376 9787858 10082673 13443564 14681787 17924752 19575716 20165346 26887128 29363574 39151432 40330692 44045361 53774256 58727148 78302864 80661384 88090722 92984651 117454296 161322768 176181444 185969302 234908592 278953953 352362888 371938604 557907906 704725776 743877208 836861859 1115815812 1487754416 1673723718 2231631624 3347447436 4463263248 6694894872 13389789744