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149764442672 = 24131921994519
BaseRepresentation
bin1000101101111010101…
…0000000101000110000
3112022120100012221222002
42023132222000220300
54423204144131142
6152444551433132
713551205521125
oct2133652005060
9468510187862
10149764442672
115857313a479
12250379857a8
1311179825820
14736a39474c
153d6809ea32
hex22dea80a30

149764442672 has 60 divisors (see below), whose sum is σ = 329801860080. Its totient is φ = 65484014976.

The previous prime is 149764442657. The next prime is 149764442677. The reversal of 149764442672 is 276244467941.

It is not an unprimeable number, because it can be changed into a prime (149764442677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 922172 + ... + 1072347.

It is an arithmetic number, because the mean of its divisors is an integer number (5496697668).

Almost surely, 2149764442672 is an apocalyptic number.

It is an amenable number.

149764442672 is an abundant number, since it is smaller than the sum of its proper divisors (180037417408).

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

149764442672 is a wasteful number, since it uses less digits than its factorization.

149764442672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994578 (or 1994553 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 56.

The spelling of 149764442672 in words is "one hundred forty-nine billion, seven hundred sixty-four million, four hundred forty-two thousand, six hundred seventy-two".

Divisors: 1 2 4 8 13 16 19 26 38 52 76 104 152 208 247 304 361 494 722 988 1444 1976 2888 3952 4693 5776 9386 18772 37544 75088 1994519 3989038 7978076 15956152 25928747 31912304 37895861 51857494 75791722 103714988 151583444 207429976 303166888 414859952 492646193 606333776 720021359 985292386 1440042718 1970584772 2880085436 3941169544 5760170872 7882339088 9360277667 11520341744 18720555334 37441110668 74882221336 149764442672