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10531691456 = 26111310491097
BaseRepresentation
bin10011100111011110…
…01101101111000000
31000011222020100200112
421303233031233000
5133032103111311
64501014410452
7521661620546
oct116357155700
930158210615
1010531691456
114514957740
12205b060a28
13cbabba3c0
1471ca07d96
154198d628b
hex273bcdbc0

10531691456 has 112 divisors (see below), whose sum is σ = 24598274400. Its totient is φ = 4410654720.

The previous prime is 10531691441. The next prime is 10531691477. The reversal of 10531691456 is 65419613501.

It is a super-2 number, since 2×105316914562 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 9599900 + ... + 9600996.

It is an arithmetic number, because the mean of its divisors is an integer number (219627450).

Almost surely, 210531691456 is an apocalyptic number.

10531691456 is a gapful number since it is divisible by the number (16) 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 10531691456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12299137200).

10531691456 is an abundant number, since it is smaller than the sum of its proper divisors (14066582944).

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

10531691456 is a wasteful number, since it uses less digits than its factorization.

10531691456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182 (or 2172 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 10531691456 in words is "ten billion, five hundred thirty-one million, six hundred ninety-one thousand, four hundred fifty-six".

Divisors: 1 2 4 8 11 13 16 22 26 32 44 52 64 88 104 143 176 208 286 352 416 572 704 832 1049 1097 1144 2098 2194 2288 4196 4388 4576 8392 8776 9152 11539 12067 13637 14261 16784 17552 23078 24134 27274 28522 33568 35104 46156 48268 54548 57044 67136 70208 92312 96536 109096 114088 150007 156871 184624 193072 218192 228176 300014 313742 369248 386144 436384 456352 600028 627484 738496 772288 872768 912704 1150753 1200056 1254968 2301506 2400112 2509936 4603012 4800224 5019872 9206024 9600448 10039744 12658283 14959789 18412048 25316566 29919578 36824096 50633132 59839156 73648192 101266264 119678312 164557679 202532528 239356624 329115358 405065056 478713248 658230716 810130112 957426496 1316461432 2632922864 5265845728 10531691456