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149514969581344 = 2561116365860519
BaseRepresentation
bin100001111111101110101010…
…101001101000011100100000
3201121101111021022011121022201
4201333232222221220130200
5124044123124203100334
61245554121230542544
743331046220212223
oct4177565251503440
9647344238147281
10149514969581344
1143704a405328a4
1214929004967a54
13655727cb767a3
1428cc7c537d5ba
151244362b02c14
hex87fbaaa68720

149514969581344 has 48 divisors (see below), whose sum is σ = 299440386463680. Its totient is φ = 73468725039360.

The previous prime is 149514969581317. The next prime is 149514969581347. The reversal of 149514969581344 is 443185969415941.

It is a happy number.

149514969581344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1495149695813442 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149514969581347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30660084 + ... + 35200435.

It is an arithmetic number, because the mean of its divisors is an integer number (6238341384660).

Almost surely, 2149514969581344 is an apocalyptic number.

It is an amenable number.

149514969581344 is an abundant number, since it is smaller than the sum of its proper divisors (149925416882336).

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

149514969581344 is a wasteful number, since it uses less digits than its factorization.

149514969581344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65861753 (or 65861745 counting only the distinct ones).

The product of its digits is 671846400, while the sum is 73.

The spelling of 149514969581344 in words is "one hundred forty-nine trillion, five hundred fourteen billion, nine hundred sixty-nine million, five hundred eighty-one thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 32 61 122 244 488 976 1163 1952 2326 4652 9304 18608 37216 70943 141886 283772 567544 1135088 2270176 65860519 131721038 263442076 526884152 1053768304 2107536608 4017491659 8034983318 16069966636 32139933272 64279866544 76595783597 128559733088 153191567194 306383134388 612766268776 1225532537552 2451065075104 4672342799417 9344685598834 18689371197668 37378742395336 74757484790672 149514969581344