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149742136299 = 3719736195827
BaseRepresentation
bin1000101101110101010…
…0111010101111101011
3112022111210020200101010
42023131110322233223
54423132441330144
6152442433355003
713550515105020
oct2133524725753
9468453220333
10149742136299
1158561594358
1225030408a63
13111750156a2
147367429547
153d661455b9
hex22dd53abeb

149742136299 has 16 divisors (see below), whose sum is σ = 229336766208. Its totient is φ = 85132582752.

The previous prime is 149742136279. The next prime is 149742136361. The reversal of 149742136299 is 992631247941.

It is a happy number.

It is not a de Polignac number, because 149742136299 - 25 = 149742136267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149742136279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18093777 + ... + 18102050.

It is an arithmetic number, because the mean of its divisors is an integer number (14333547888).

Almost surely, 2149742136299 is an apocalyptic number.

149742136299 is a deficient number, since it is larger than the sum of its proper divisors (79594629909).

149742136299 is a wasteful number, since it uses less digits than its factorization.

149742136299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36196034.

The product of its digits is 5878656, while the sum is 57.

The spelling of 149742136299 in words is "one hundred forty-nine billion, seven hundred forty-two million, one hundred thirty-six thousand, two hundred ninety-nine".

Divisors: 1 3 7 21 197 591 1379 4137 36195827 108587481 253370789 760112367 7130577919 21391733757 49914045433 149742136299