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13138011600 = 2435271564049
BaseRepresentation
bin11000011110001011…
…00010010111010000
31020220121111010210020
430033011202113100
5203401312332400
610011401103440
7643400153550
oct141705422720
936817433706
1013138011600
11563207962a
122667a87b80
131314b63c7c
148c8c13160
1551d6142a0
hex30f1625d0

13138011600 has 120 divisors (see below), whose sum is σ = 48097665600. Its totient is φ = 3002972160.

The previous prime is 13138011589. The next prime is 13138011613. The reversal of 13138011600 is 611083131.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 773625 + ... + 790424.

It is an arithmetic number, because the mean of its divisors is an integer number (400813880).

Almost surely, 213138011600 is an apocalyptic number.

13138011600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13138011600 is an abundant number, since it is smaller than the sum of its proper divisors (34959654000).

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

13138011600 is a wasteful number, since it uses less digits than its factorization.

13138011600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564077 (or 1564066 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 13138011600 its reverse (611083131), we get a palindrome (13749094731).

The spelling of 13138011600 in words is "thirteen billion, one hundred thirty-eight million, eleven thousand, six hundred".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 35 40 42 48 50 56 60 70 75 80 84 100 105 112 120 140 150 168 175 200 210 240 280 300 336 350 400 420 525 560 600 700 840 1050 1200 1400 1680 2100 2800 4200 8400 1564049 3128098 4692147 6256196 7820245 9384294 10948343 12512392 15640490 18768588 21896686 23460735 25024784 31280980 32845029 37537176 39101225 43793372 46921470 54741715 62561960 65690058 75074352 78202450 87586744 93842940 109483430 117303675 125123920 131380116 156404900 164225145 175173488 187685880 218966860 234607350 262760232 273708575 312809800 328450290 375371760 437933720 469214700 525520464 547417150 625619600 656900580 821125725 875867440 938429400 1094834300 1313801160 1642251450 1876858800 2189668600 2627602320 3284502900 4379337200 6569005800 13138011600