Search a number
-
+
149644429852 = 22131285580973
BaseRepresentation
bin1000101101011110000…
…0001100101000011100
3112022020222101200022211
42023113200030220130
54422432433223402
6152425023250204
713545220444411
oct2132740145034
9468228350284
10149644429852
115851141a025
1225003749964
131115a9c5b18
147358474108
153d5c7954d7
hex22d780ca1c

149644429852 has 12 divisors (see below), whose sum is σ = 263876819976. Its totient is φ = 74251052720.

The previous prime is 149644429829. The next prime is 149644429861. The reversal of 149644429852 is 258924446941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142789963 + ... + 142791010.

It is an arithmetic number, because the mean of its divisors is an integer number (21989734998).

Almost surely, 2149644429852 is an apocalyptic number.

It is an amenable number.

149644429852 is a deficient number, since it is larger than the sum of its proper divisors (114232390124).

149644429852 is a wasteful number, since it uses less digits than its factorization.

149644429852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285581108 (or 285581106 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 58.

The spelling of 149644429852 in words is "one hundred forty-nine billion, six hundred forty-four million, four hundred twenty-nine thousand, eight hundred fifty-two".

Divisors: 1 2 4 131 262 524 285580973 571161946 1142323892 37411107463 74822214926 149644429852