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438014944752 = 243711432756059
BaseRepresentation
bin1100101111110111011…
…10011010010111110000
31112212121000101122121120
412113323232122113300
524134023311213002
6533115444222240
743434263412510
oct6277356322760
91485530348546
10438014944752
11159841021010
1270a8239a980
13323c63799a8
14172b2c85840
15b5d8ec0cbc
hex65fbb9a5f0

438014944752 has 160 divisors (see below), whose sum is σ = 1443558082560. Its totient is φ = 111124258560.

The previous prime is 438014944733. The next prime is 438014944841. The reversal of 438014944752 is 257449410834.

It is a super-2 number, since 2×4380149447522 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 438014944695 and 438014944704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1219102 + ... + 1536957.

It is an arithmetic number, because the mean of its divisors is an integer number (9022238016).

Almost surely, 2438014944752 is an apocalyptic number.

438014944752 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

438014944752 is an abundant number, since it is smaller than the sum of its proper divisors (1005543137808).

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

438014944752 is a wasteful number, since it uses less digits than its factorization.

438014944752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756131 (or 2756125 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 438014944752 in words is "four hundred thirty-eight billion, fourteen million, nine hundred forty-four thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 42 43 44 48 56 66 77 84 86 88 112 129 132 154 168 172 176 231 258 264 301 308 336 344 462 473 516 528 602 616 688 903 924 946 1032 1204 1232 1419 1806 1848 1892 2064 2408 2838 3311 3612 3696 3784 4816 5676 6622 7224 7568 9933 11352 13244 14448 19866 22704 26488 39732 52976 79464 158928 2756059 5512118 8268177 11024236 16536354 19292413 22048472 30316649 33072708 38584826 44096944 57877239 60633298 66145416 77169652 90949947 115754478 118510537 121266596 132290832 154339304 181899894 212216543 231508956 237021074 242533192 308678608 355531611 363799788 424433086 463017912 474042148 485066384 636649629 711063222 727599576 829573759 848866172 926035824 948084296 1273299258 1303615907 1422126444 1455199152 1659147518 1697732344 1896168592 2488721277 2546598516 2607231814 2844252888 3318295036 3395464688 3910847721 4977442554 5093197032 5214463628 5688505776 6636590072 7821695442 9125311349 9954885108 10186394064 10428927256 13273180144 15643390884 18250622698 19909770216 20857854512 27375934047 31286781768 36501245396 39819540432 54751868094 62573563536 73002490792 109503736188 146004981584 219007472376 438014944752