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14311130240 = 275117327847
BaseRepresentation
bin11010101010000001…
…01000010010000000
31100221100220202000202
431111000220102000
5213302122131430
610324025104332
71014433412531
oct152500502200
940840822022
1014311130240
116084294a70
1229349280a8
131470c05b04
1499a946688
1558b5ded45
hex355028480

14311130240 has 128 divisors (see below), whose sum is σ = 37835406720. Its totient is φ = 5132574720.

The previous prime is 14311130189. The next prime is 14311130243. The reversal of 14311130240 is 4203111341.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (14311130243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499997 + ... + 527843.

It is an arithmetic number, because the mean of its divisors is an integer number (295589115).

Almost surely, 214311130240 is an apocalyptic number.

14311130240 is a gapful number since it is divisible by the number (10) 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 14311130240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18917703360).

14311130240 is an abundant number, since it is smaller than the sum of its proper divisors (23524276480).

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

14311130240 is a wasteful number, since it uses less digits than its factorization.

14311130240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27950 (or 27938 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 14311130240 its reverse (4203111341), we get a palindrome (18514241581).

The spelling of 14311130240 in words is "fourteen billion, three hundred eleven million, one hundred thirty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 73 80 88 110 128 146 160 176 220 292 320 352 365 440 584 640 704 730 803 880 1168 1408 1460 1606 1760 2336 2920 3212 3520 4015 4672 5840 6424 7040 8030 9344 11680 12848 16060 23360 25696 27847 32120 46720 51392 55694 64240 102784 111388 128480 139235 222776 256960 278470 306317 445552 513920 556940 612634 891104 1113880 1225268 1531585 1782208 2032831 2227760 2450536 3063170 3564416 4065662 4455520 4901072 6126340 8131324 8911040 9802144 10164155 12252680 16262648 17822080 19604288 20328310 22361141 24505360 32525296 39208576 40656620 44722282 49010720 65050592 81313240 89444564 98021440 111805705 130101184 162626480 178889128 196042880 223611410 260202368 325252960 357778256 447222820 650505920 715556512 894445640 1301011840 1431113024 1788891280 2862226048 3577782560 7155565120 14311130240