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13770013824 = 27337569197
BaseRepresentation
bin11001101001100000…
…11011110010000000
31022112122201011212000
430310300123302000
5211200110420244
610154215104000
7665143120620
oct146460336200
938478634760
1013770013824
1159268a5216
122803672000
1313b5a85c98
14948b2a880
15558d54169
hex334c1bc80

13770013824 has 128 divisors (see below), whose sum is σ = 46446556800. Its totient is φ = 3934282752.

The previous prime is 13770013813. The next prime is 13770013841. The reversal of 13770013824 is 42831007731.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×137700138242 (a number of 21 digits) contains 22 as substring.

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

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, 260407 + ... + 308790.

It is an arithmetic number, because the mean of its divisors is an integer number (362863725).

Almost surely, 213770013824 is an apocalyptic number.

13770013824 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13770013824 is an abundant number, since it is smaller than the sum of its proper divisors (32676542976).

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

13770013824 is an equidigital number, since it uses as much as digits as its factorization.

13770013824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569227 (or 569209 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 13770013824 in words is "thirteen billion, seven hundred seventy million, thirteen thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 84 96 108 112 126 128 144 168 189 192 216 224 252 288 336 378 384 432 448 504 576 672 756 864 896 1008 1152 1344 1512 1728 2016 2688 3024 3456 4032 6048 8064 12096 24192 569197 1138394 1707591 2276788 3415182 3984379 4553576 5122773 6830364 7968758 9107152 10245546 11953137 13660728 15368319 15937516 18214304 20491092 23906274 27321456 30736638 31875032 35859411 36428608 40982184 47812548 54642912 61473276 63750064 71718822 72857216 81964368 95625096 107578233 109285824 122946552 127500128 143437644 163928736 191250192 215156466 218571648 245893104 255000256 286875288 327857472 382500384 430312932 491786208 510000512 573750576 655714944 765000768 860625864 983572416 1147501152 1530001536 1721251728 1967144832 2295002304 3442503456 4590004608 6885006912 13770013824