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149281354705 = 5722940146447
BaseRepresentation
bin1000101100000111011…
…1001011001111010001
3112021022200012112212011
42023001313023033101
54421212011322310
6152325013302521
713533221402320
oct2130167131721
9467280175764
10149281354705
115834548431a
1224b22034a41
1311100712462
1473221620b7
153d3a97778a
hex22c1dcb3d1

149281354705 has 32 divisors (see below), whose sum is σ = 206139939840. Its totient is φ = 101661004800.

The previous prime is 149281354697. The next prime is 149281354741. The reversal of 149281354705 is 507453182941.

It is a happy number.

149281354705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149281354705 - 23 = 149281354697 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 3190792 + ... + 3237238.

It is an arithmetic number, because the mean of its divisors is an integer number (6441873120).

Almost surely, 2149281354705 is an apocalyptic number.

It is an amenable number.

149281354705 is a deficient number, since it is larger than the sum of its proper divisors (56858585135).

149281354705 is a wasteful number, since it uses less digits than its factorization.

149281354705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47089.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 149281354705 in words is "one hundred forty-nine billion, two hundred eighty-one million, three hundred fifty-four thousand, seven hundred five".

Divisors: 1 5 7 35 229 401 1145 1603 2005 2807 8015 14035 46447 91829 232235 325129 459145 642803 1625645 3214015 10636363 18625247 53181815 74454541 93126235 130376729 372272705 651883645 4265181563 21325907815 29856270941 149281354705