Search a number
-
+
29942782752 = 253311903987
BaseRepresentation
bin11011111000101110…
…101001101100100000
32212021202121222001210
4123320232221230200
5442310323022002
621431105430120
72110003311501
oct337056515440
985252558053
1029942782752
1111775a13953
12597793b340
132a9258093c
1416409d2ba8
15ba3ac596c
hex6f8ba9b20

29942782752 has 24 divisors (see below), whose sum is σ = 78599804976. Its totient is φ = 9980927552.

The previous prime is 29942782747. The next prime is 29942782813. The reversal of 29942782752 is 25728724992.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 29942782692 and 29942782701.

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, 155951898 + ... + 155952089.

It is an arithmetic number, because the mean of its divisors is an integer number (3274991874).

Almost surely, 229942782752 is an apocalyptic number.

It is an amenable number.

29942782752 is an abundant number, since it is smaller than the sum of its proper divisors (48657022224).

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

29942782752 is a wasteful number, since it uses less digits than its factorization.

29942782752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311904000 (or 311903992 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 57.

The spelling of 29942782752 in words is "twenty-nine billion, nine hundred forty-two million, seven hundred eighty-two thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 311903987 623807974 935711961 1247615948 1871423922 2495231896 3742847844 4990463792 7485695688 9980927584 14971391376 29942782752