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149490244312 = 23471812817817
BaseRepresentation
bin1000101100111001010…
…0000001101011011000
3112021212020021020112021
42023032110001223120
54422124000304222
6152401434424224
713541336053033
oct2131624015330
9467766236467
10149490244312
1158442389162
1224b7bb92074
1311134a8ca86
147341bba01a
153d4de8aac7
hex22ce501ad8

149490244312 has 64 divisors (see below), whose sum is σ = 288900743040. Its totient is φ = 72482457600.

The previous prime is 149490244289. The next prime is 149490244369. The reversal of 149490244312 is 213442094941.

It is a super-2 number, since 2×1494902443122 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 19119828 + ... + 19127644.

It is an arithmetic number, because the mean of its divisors is an integer number (4514074110).

Almost surely, 2149490244312 is an apocalyptic number.

It is an amenable number.

149490244312 is a deficient number, since it is larger than the sum of its proper divisors (139410498728).

149490244312 is a wasteful number, since it uses less digits than its factorization.

149490244312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8332 (or 8328 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 149490244312 in words is "one hundred forty-nine billion, four hundred ninety million, two hundred forty-four thousand, three hundred twelve".

Divisors: 1 2 4 8 47 94 181 188 281 362 376 562 724 1124 1448 2248 7817 8507 13207 15634 17014 26414 31268 34028 50861 52828 62536 68056 101722 105656 203444 367399 406888 734798 1414877 1469596 2196577 2390467 2829754 2939192 4393154 4780934 5659508 8786308 9561868 11319016 17572616 19123736 66499219 103239119 132998438 206478238 265996876 397580437 412956476 531993752 795160874 825912952 1590321748 3180643496 18686280539 37372561078 74745122156 149490244312