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10521312130240 = 2652910910401487
BaseRepresentation
bin1001100100011010111100…
…0100100111010011000000
31101020211100022222100121221
42121012233010213103000
52334340121401131430
634213231333124424
72134065631342312
oct231065704472300
941224308870557
1010521312130240
11339707745339a
12121b126189714
135b4203775242
1428533c9d57b2
15133a3bacb57a
hex991af1274c0

10521312130240 has 112 divisors (see below), whose sum is σ = 26155581724800. Its totient is φ = 4026123988992.

The previous prime is 10521312130237. The next prime is 10521312130243. The reversal of 10521312130240 is 4203121312501.

It is an interprime number because it is at equal distance from previous prime (10521312130237) and next prime (10521312130243).

It is a super-2 number, since 2×105213121302402 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10521312130243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4189224 + ... + 6212263.

Almost surely, 210521312130240 is an apocalyptic number.

10521312130240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10521312130240 is an abundant number, since it is smaller than the sum of its proper divisors (15634269594560).

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

10521312130240 is a wasteful number, since it uses less digits than its factorization.

10521312130240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10401642 (or 10401632 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 10521312130240 its reverse (4203121312501), we get a palindrome (14724433442741).

The spelling of 10521312130240 in words is "ten trillion, five hundred twenty-one billion, three hundred twelve million, one hundred thirty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 29 32 40 58 64 80 109 116 145 160 218 232 290 320 436 464 545 580 872 928 1090 1160 1744 1856 2180 2320 3161 3488 4360 4640 6322 6976 8720 9280 12644 15805 17440 25288 31610 34880 50576 63220 101152 126440 202304 252880 505760 1011520 10401487 20802974 41605948 52007435 83211896 104014870 166423792 208029740 301643123 332847584 416059480 603286246 665695168 832118960 1133762083 1206572492 1508215615 1664237920 2267524166 2413144984 3016431230 3328475840 4535048332 4826289968 5668810415 6032862460 9070096664 9652579936 11337620830 12065724920 18140193328 19305159872 22675241660 24131449840 32879100407 36280386656 45350483320 48262899680 65758200814 72560773312 90700966640 96525799360 131516401628 164395502035 181401933280 263032803256 328791004070 362803866560 526065606512 657582008140 1052131213024 1315164016280 2104262426048 2630328032560 5260656065120 10521312130240