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149439161051 = 2919332665843
BaseRepresentation
bin1000101100101101000…
…1001010001011011011
3112021201200010221110122
42023023101022023123
54422022411123201
6152352411503455
713540145624165
oct2131321121333
9467650127418
10149439161051
1158416568594
1224b66a57b8b
13111273155ab
1473390bd935
153d49749e1b
hex22cb44a2db

149439161051 has 8 divisors (see below), whose sum is σ = 154672268880. Its totient is φ = 144211388832.

The previous prime is 149439160987. The next prime is 149439161087. The reversal of 149439161051 is 150161934941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149439161051 - 26 = 149439160987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149439160993 and 149439161011.

It is not an unprimeable number, because it can be changed into a prime (149439160051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276865 + ... + 1388978.

It is an arithmetic number, because the mean of its divisors is an integer number (19334033610).

Almost surely, 2149439161051 is an apocalyptic number.

149439161051 is a deficient number, since it is larger than the sum of its proper divisors (5233107829).

149439161051 is a wasteful number, since it uses less digits than its factorization.

149439161051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667805.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 149439161051 in words is "one hundred forty-nine billion, four hundred thirty-nine million, one hundred sixty-one thousand, fifty-one".

Divisors: 1 29 1933 56057 2665843 77309447 5153074519 149439161051