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244401131320 = 23543351140471
BaseRepresentation
bin1110001110011101110…
…0010100111100111000
3212100211201211212011121
43203213130110330320
513001013142200240
6304135404235024
723441326224313
oct3434734247470
9770751755147
10244401131320
1194717081355
123b44953ba74
131a07c13c648
14bb86dbd97a
15655651a04a
hex38e7714f38

244401131320 has 64 divisors (see below), whose sum is σ = 562865149440. Its totient is φ = 95457398400.

The previous prime is 244401131263. The next prime is 244401131347. The reversal of 244401131320 is 23131104442.

It is a congruent number.

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, 6018685 + ... + 6059155.

It is an arithmetic number, because the mean of its divisors is an integer number (8794767960).

Almost surely, 2244401131320 is an apocalyptic number.

244401131320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244401131320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281432574720).

244401131320 is an abundant number, since it is smaller than the sum of its proper divisors (318464018120).

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

244401131320 is a wasteful number, since it uses less digits than its factorization.

244401131320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44036 (or 44032 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 244401131320 its reverse (23131104442), we get a palindrome (267532235762).

The spelling of 244401131320 in words is "two hundred forty-four billion, four hundred one million, one hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 215 344 430 860 1720 3511 7022 14044 17555 28088 35110 40471 70220 80942 140440 150973 161884 202355 301946 323768 404710 603892 754865 809420 1207784 1509730 1618840 1740253 3019460 3480506 6038920 6961012 8701265 13922024 17402530 34805060 69610120 142093681 284187362 568374724 710468405 1136749448 1420936810 2841873620 5683747240 6110028283 12220056566 24440113132 30550141415 48880226264 61100282830 122200565660 244401131320