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149407489985 = 51353731793319
BaseRepresentation
bin1000101100100101100…
…0010101111111000001
3112021122110112212221012
42023021120111333001
54421441304134420
6152345321010305
713536312465545
oct2131130257701
9467573485835
10149407489985
11583aa6a6656
1224b58323995
13111208a6b10
147334bd7a25
153d46a90dc5
hex22c9615fc1

149407489985 has 64 divisors (see below), whose sum is σ = 200592806400. Its totient is φ = 106138626048.

The previous prime is 149407489969. The next prime is 149407489991. The reversal of 149407489985 is 589984704941.

It is not a de Polignac number, because 149407489985 - 24 = 149407489969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45014156 + ... + 45017474.

It is an arithmetic number, because the mean of its divisors is an integer number (3134262600).

Almost surely, 2149407489985 is an apocalyptic number.

It is an amenable number.

149407489985 is a deficient number, since it is larger than the sum of its proper divisors (51185316415).

149407489985 is a wasteful number, since it uses less digits than its factorization.

149407489985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642.

The product of its (nonzero) digits is 104509440, while the sum is 68.

The spelling of 149407489985 in words is "one hundred forty-nine billion, four hundred seven million, four hundred eighty-nine thousand, nine hundred eighty-five".

Divisors: 1 5 13 53 65 73 179 265 365 689 895 949 2327 3319 3445 3869 4745 9487 11635 13067 16595 19345 43147 47435 50297 65335 123331 169871 175907 215735 242287 251485 594101 616655 692551 849355 879535 1211435 2286791 2970505 3149731 3462755 7723313 9003163 11433955 12841211 15748655 31487353 38616565 43369373 45015815 64206055 157436765 166935743 216846865 409335589 563801849 834678715 2046677945 2298576769 2819009245 11492883845 29881497997 149407489985