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11450313512 = 2311318947161
BaseRepresentation
bin10101010100111110…
…11110101100101000
31002112222210012020122
422222133132230220
5141422240013022
65132111542412
7553515026141
oct125237365450
932488705218
1011450313512
114946449020
12227682aa08
131106303c51
147a8a10ac8
15470390742
hex2aa7deb28

11450313512 has 64 divisors (see below), whose sum is σ = 24448780800. Its totient is φ = 4980096000.

The previous prime is 11450313487. The next prime is 11450313527. The reversal of 11450313512 is 21531305411.

It is a super-2 number, since 2×114503135122 (a number of 21 digits) contains 22 as substring.

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, 219212 + ... + 266372.

It is an arithmetic number, because the mean of its divisors is an integer number (382012200).

Almost surely, 211450313512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11450313512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12224390400).

11450313512 is an abundant number, since it is smaller than the sum of its proper divisors (12998467288).

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

11450313512 is a wasteful number, since it uses less digits than its factorization.

11450313512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47298 (or 47294 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 11450313512 its reverse (21531305411), we get a palindrome (32981618923).

The spelling of 11450313512 in words is "eleven billion, four hundred fifty million, three hundred thirteen thousand, five hundred twelve".

Divisors: 1 2 4 8 11 22 31 44 62 88 89 124 178 248 341 356 682 712 979 1364 1958 2728 2759 3916 5518 7832 11036 22072 30349 47161 60698 94322 121396 188644 242792 377288 518771 1037542 1461991 2075084 2923982 4150168 4197329 5847964 8394658 11695928 16081901 16789316 32163802 33578632 46170619 64327604 92341238 128655208 130117199 184682476 260234398 369364952 520468796 1040937592 1431289189 2862578378 5725156756 11450313512