Search a number
-
+
149810236731 = 3216645581859
BaseRepresentation
bin1000101110000101100…
…0101100110100111011
3112022200112101112121100
42023201120230310323
54423302410033411
6152453305142443
713552303000401
oct2134130546473
9468615345540
10149810236731
1158596a78201
122504b18aa23
131118616a6bc
1473724b5471
153d6c0e8456
hex22e162cd3b

149810236731 has 6 divisors (see below), whose sum is σ = 216392564180. Its totient is φ = 99873491148.

The previous prime is 149810236703. The next prime is 149810236799. The reversal of 149810236731 is 137632018941.

149810236731 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 149810236731 - 217 = 149810105659 is a prime.

It is a super-2 number, since 2×1498102367312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149810236831) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 8322790921 + ... + 8322790938.

Almost surely, 2149810236731 is an apocalyptic number.

149810236731 is a deficient number, since it is larger than the sum of its proper divisors (66582327449).

149810236731 is a wasteful number, since it uses less digits than its factorization.

149810236731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16645581865 (or 16645581862 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 149810236731 in words is "one hundred forty-nine billion, eight hundred ten million, two hundred thirty-six thousand, seven hundred thirty-one".

Divisors: 1 3 9 16645581859 49936745577 149810236731