Search a number
-
+
3031988896 = 25176191369
BaseRepresentation
bin1011010010111000…
…0111101010100000
321211022012222212001
42310232013222200
522202142121041
61220510013344
7135064323526
oct26456075240
97738188761
103031988896
11131652a152
127074a7254
13394204891
1420a972316
1512b2b2131
hexb4b87aa0

3031988896 has 48 divisors (see below), whose sum is σ = 6424041960. Its totient is φ = 1403412480.

The previous prime is 3031988881. The next prime is 3031988923. The reversal of 3031988896 is 6988891303.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2805185296 + 226803600 = 52964^2 + 15060^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12501 + ... + 78868.

Almost surely, 23031988896 is an apocalyptic number.

It is an amenable number.

3031988896 is an abundant number, since it is smaller than the sum of its proper divisors (3392053064).

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

3031988896 is a wasteful number, since it uses less digits than its factorization.

3031988896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91457 (or 91449 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 55.

The square root of 3031988896 is about 55063.4987627920. The cubic root of 3031988896 is about 1447.3576763051.

The spelling of 3031988896 in words is "three billion, thirty-one million, nine hundred eighty-eight thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 17 32 34 61 68 122 136 244 272 488 544 976 1037 1952 2074 4148 8296 16592 33184 91369 182738 365476 730952 1461904 1553273 2923808 3106546 5573509 6213092 11147018 12426184 22294036 24852368 44588072 49704736 89176144 94749653 178352288 189499306 378998612 757997224 1515994448 3031988896