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11440051240 = 2351941367139
BaseRepresentation
bin10101010011110000…
…10101010000101000
31002112021110211001111
422221320111100220
5141412123114430
65131104000104
7553331555032
oct125170252050
932467424044
1011440051240
114940679902
122273300034
13110414cbb7
147a74dcc52
1546e514c2a
hex2a9e15428

11440051240 has 64 divisors (see below), whose sum is σ = 27755784000. Its totient is φ = 4229429760.

The previous prime is 11440051223. The next prime is 11440051289. The reversal of 11440051240 is 4215004411.

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, 152410 + ... + 214729.

It is an arithmetic number, because the mean of its divisors is an integer number (433684125).

Almost surely, 211440051240 is an apocalyptic number.

11440051240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11440051240 is an abundant number, since it is smaller than the sum of its proper divisors (16315732760).

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

11440051240 is a wasteful number, since it uses less digits than its factorization.

11440051240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367210 (or 367206 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 11440051240 its reverse (4215004411), we get a palindrome (15655055651).

The spelling of 11440051240 in words is "eleven billion, four hundred forty million, fifty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 19 20 38 40 41 76 82 95 152 164 190 205 328 380 410 760 779 820 1558 1640 3116 3895 6232 7790 15580 31160 367139 734278 1468556 1835695 2937112 3671390 6975641 7342780 13951282 14685560 15052699 27902564 30105398 34878205 55805128 60210796 69756410 75263495 120421592 139512820 150526990 279025640 286001281 301053980 572002562 602107960 1144005124 1430006405 2288010248 2860012810 5720025620 11440051240