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137213003 = 197221737
BaseRepresentation
bin10000010110110…
…11010001001011
3100120012010212002
420023123101023
5240111304003
621340541215
73254201624
oct1013332113
9316163762
10137213003
11704a9184
1239b5180b
1322572935
141431aa4b
15c0a5a88
hex82db44b

137213003 has 4 divisors (see below), whose sum is σ = 144434760. Its totient is φ = 129991248.

The previous prime is 137212997. The next prime is 137213017. The reversal of 137213003 is 300312731.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137213003 - 210 = 137211979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137213203) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3610850 + ... + 3610887.

It is an arithmetic number, because the mean of its divisors is an integer number (36108690).

Almost surely, 2137213003 is an apocalyptic number.

137213003 is a deficient number, since it is larger than the sum of its proper divisors (7221757).

137213003 is an equidigital number, since it uses as much as digits as its factorization.

137213003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7221756.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 137213003 is about 11713.7954139553. The cubic root of 137213003 is about 515.7807029894.

Adding to 137213003 its reverse (300312731), we get a palindrome (437525734).

The spelling of 137213003 in words is "one hundred thirty-seven million, two hundred thirteen thousand, three".

Divisors: 1 19 7221737 137213003