Search a number
-
+
31103106048 = 2103271672887
BaseRepresentation
bin11100111101111000…
…111011110000000000
32222021121222111101200
4130331320323300000
51002144343343143
622142155301200
72150523016320
oct347570736000
988247874350
1031103106048
111221098aa23
12604044a800
132c18a92781
141710b55280
15c208c51d3
hex73de3bc00

31103106048 has 264 divisors, whose sum is σ = 103289851392. Its totient is φ = 8830328832.

The previous prime is 31103105993. The next prime is 31103106061. The reversal of 31103106048 is 84060130113.

31103106048 is a `hidden beast` number, since 31 + 10 + 3 + 10 + 604 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10772061 + ... + 10774947.

Almost surely, 231103106048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31103106048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51644925696).

31103106048 is an abundant number, since it is smaller than the sum of its proper divisors (72186745344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31103106048 is a wasteful number, since it uses less digits than its factorization.

31103106048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3087 (or 3066 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 31103106048 in words is "thirty-one billion, one hundred three million, one hundred six thousand, forty-eight".