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10520401448 = 23171313671609
BaseRepresentation
bin10011100110001000…
…01001011000101000
31000011011222202201002
421303010021120220
5133021210321243
64455532414132
7521463636224
oct116304113050
930134882632
1010520401448
114509546357
122057317348
13cb876661b
1471b309784
15418905eb8
hex273109628

10520401448 has 64 divisors (see below), whose sum is σ = 21115987200. Its totient is φ = 4896552960.

The previous prime is 10520401447. The next prime is 10520401469. The reversal of 10520401448 is 84410402501.

It is a super-2 number, since 2×105204014482 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10520401448.

It is not an unprimeable number, because it can be changed into a prime (10520401447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6537668 + ... + 6539276.

It is an arithmetic number, because the mean of its divisors is an integer number (329937300).

Almost surely, 210520401448 is an apocalyptic number.

It is an amenable number.

10520401448 is an abundant number, since it is smaller than the sum of its proper divisors (10595585752).

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

10520401448 is a wasteful number, since it uses less digits than its factorization.

10520401448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130 (or 2126 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

Adding to 10520401448 its reverse (84410402501), we get a palindrome (94930803949).

The spelling of 10520401448 in words is "ten billion, five hundred twenty million, four hundred one thousand, four hundred forty-eight".

Divisors: 1 2 4 8 17 34 68 131 136 262 367 524 734 1048 1468 1609 2227 2936 3218 4454 6239 6436 8908 12478 12872 17816 24956 27353 48077 49912 54706 96154 109412 192308 210779 218824 384616 421558 590503 817309 843116 1181006 1634618 1686232 2362012 3269236 3583243 4724024 6538472 7166486 10038551 14332972 20077102 28665944 40154204 77355893 80308408 154711786 309423572 618847144 1315050181 2630100362 5260200724 10520401448