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13374442620 = 22325711964967
BaseRepresentation
bin11000111010010110…
…11100110001111100
31021112002101002011200
430131023130301330
5204342324130440
610051044415500
7652300613040
oct143513346174
937462332150
1013374442620
115743584770
1227130a7590
131351b35496
1490c39a020
15534267c30
hex31d2dcc7c

13374442620 has 144 divisors (see below), whose sum is σ = 50579762688. Its totient is φ = 2779102080.

The previous prime is 13374442583. The next prime is 13374442621. The reversal of 13374442620 is 2624447331.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13374442621) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 468624 + ... + 496343.

It is an arithmetic number, because the mean of its divisors is an integer number (351248352).

Almost surely, 213374442620 is an apocalyptic number.

13374442620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13374442620 is an abundant number, since it is smaller than the sum of its proper divisors (37205320068).

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

13374442620 is a wasteful number, since it uses less digits than its factorization.

13374442620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965000 (or 964995 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

Adding to 13374442620 its reverse (2624447331), we get a palindrome (15998889951).

The spelling of 13374442620 in words is "thirteen billion, three hundred seventy-four million, four hundred forty-two thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 7 9 10 11 12 14 15 18 20 21 22 28 30 33 35 36 42 44 45 55 60 63 66 70 77 84 90 99 105 110 126 132 140 154 165 180 198 210 220 231 252 308 315 330 385 396 420 462 495 630 660 693 770 924 990 1155 1260 1386 1540 1980 2310 2772 3465 4620 6930 13860 964967 1929934 2894901 3859868 4824835 5789802 6754769 8684703 9649670 10614637 11579604 13509538 14474505 17369406 19299340 20264307 21229274 27019076 28949010 31843911 33773845 34738812 40528614 42458548 43423515 53073185 57898020 60792921 63687822 67547690 74302459 81057228 86847030 95531733 101321535 106146370 121585842 127375644 135095380 148604918 159219555 173694060 191063466 202643070 212292740 222907377 243171684 297209836 303964605 318439110 371512295 382126932 405286140 445814754 477658665 607929210 636878220 668722131 743024590 891629508 955317330 1114536885 1215858420 1337444262 1486049180 1910634660 2229073770 2674888524 3343610655 4458147540 6687221310 13374442620