Search a number
-
+
2048868864 = 2933731683
BaseRepresentation
bin111101000011111…
…0100001000000000
312021210022022201000
41322013310020000
513144002300424
6535150212000
7101526045420
oct17207641000
95253268630
102048868864
11961595559
124921b4000
13268627953
1415617a480
15bed173c9
hex7a1f4200

2048868864 has 320 divisors, whose sum is σ = 7165255680. Its totient is φ = 565678080.

The previous prime is 2048868853. The next prime is 2048868889. The reversal of 2048868864 is 4688688402.

2048868864 is a `hidden beast` number, since 20 + 488 + 6 + 88 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 2048868864.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2999467 + ... + 3000149.

It is an arithmetic number, because the mean of its divisors is an integer number (22391424).

Almost surely, 22048868864 is an apocalyptic number.

2048868864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2048868864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3582627840).

2048868864 is an abundant number, since it is smaller than the sum of its proper divisors (5116386816).

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

2048868864 is an equidigital number, since it uses as much as digits as its factorization.

2048868864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 54.

The square root of 2048868864 is about 45264.4326596501. The cubic root of 2048868864 is about 1270.1004041562.

The spelling of 2048868864 in words is "two billion, forty-eight million, eight hundred sixty-eight thousand, eight hundred sixty-four".