Search a number
-
+
133103130 = 2354436771
BaseRepresentation
bin1111110111011…
…11111000011010
3100021110100011120
413323233320122
5233033300010
621112510110
73204233526
oct773577032
9307410146
10133103130
1169151396
12386ab336
1321764064
141396ad86
15ba42e70
hex7eefe1a

133103130 has 16 divisors (see below), whose sum is σ = 319447584. Its totient is φ = 35494160.

The previous prime is 133103129. The next prime is 133103137. The reversal of 133103130 is 31301331.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (133103137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2218356 + ... + 2218415.

It is an arithmetic number, because the mean of its divisors is an integer number (19965474).

Almost surely, 2133103130 is an apocalyptic number.

133103130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133103130 is an abundant number, since it is smaller than the sum of its proper divisors (186344454).

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

133103130 is a wasteful number, since it uses less digits than its factorization.

133103130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436781.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 133103130 is about 11537.0329807971. The cubic root of 133103130 is about 510.5787739176.

Adding to 133103130 its reverse (31301331), we get a palindrome (164404461).

The spelling of 133103130 in words is "one hundred thirty-three million, one hundred three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4436771 8873542 13310313 22183855 26620626 44367710 66551565 133103130