Search a number
-
+
1372500128 = 251072511597
BaseRepresentation
bin101000111001110…
…1011000010100000
310112122121020020002
41101303223002200
510302330001003
6344105235132
746004026046
oct12163530240
93478536202
101372500128
1164481672a
12323792aa8
1318b47076c
14d03d4396
1580761a88
hex51ceb0a0

1372500128 has 48 divisors (see below), whose sum is σ = 2739943584. Its totient is φ = 676704000.

The previous prime is 1372500097. The next prime is 1372500149. The reversal of 1372500128 is 8210052731.

It is a self number, because there is not a number n which added to its sum of digits gives 1372500128.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 858626 + ... + 860222.

It is an arithmetic number, because the mean of its divisors is an integer number (57082158).

Almost surely, 21372500128 is an apocalyptic number.

It is an amenable number.

1372500128 is a deficient number, since it is larger than the sum of its proper divisors (1367443456).

1372500128 is a wasteful number, since it uses less digits than its factorization.

1372500128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965 (or 1957 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1372500128 is about 37047.2688332082. The cubic root of 1372500128 is about 1111.3157376136.

Adding to 1372500128 its reverse (8210052731), we get a palindrome (9582552859).

The spelling of 1372500128 in words is "one billion, three hundred seventy-two million, five hundred thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 32 107 214 251 428 502 856 1004 1597 1712 2008 3194 3424 4016 6388 8032 12776 25552 26857 51104 53714 107428 170879 214856 341758 400847 429712 683516 801694 859424 1367032 1603388 2734064 3206776 5468128 6413552 12827104 42890629 85781258 171562516 343125032 686250064 1372500128