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10321230233 = 18015730833
BaseRepresentation
bin10011001110011000…
…10111100110011001
3222122022012211011102
421213030113212121
5132114213331413
64424055441145
7513525003146
oct114714274631
928568184142
1010321230233
11441707a046
1220006861b5
13c8640c632
146dcaa13cd
154061b2458
hex267317999

10321230233 has 4 divisors (see below), whose sum is σ = 10326962868. Its totient is φ = 10315497600.

The previous prime is 10321230211. The next prime is 10321230251. The reversal of 10321230233 is 33203212301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33203212301 = 74743316043.

It can be written as a sum of positive squares in 2 ways, for example, as 3472509184 + 6848721049 = 58928^2 + 82757^2 .

It is a cyclic number.

It is not a de Polignac number, because 10321230233 - 216 = 10321164697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10321230263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2863616 + ... + 2867217.

It is an arithmetic number, because the mean of its divisors is an integer number (2581740717).

Almost surely, 210321230233 is an apocalyptic number.

It is an amenable number.

10321230233 is a deficient number, since it is larger than the sum of its proper divisors (5732635).

10321230233 is an equidigital number, since it uses as much as digits as its factorization.

10321230233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5732634.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 10321230233 its reverse (33203212301), we get a palindrome (43524442534).

The spelling of 10321230233 in words is "ten billion, three hundred twenty-one million, two hundred thirty thousand, two hundred thirty-three".

Divisors: 1 1801 5730833 10321230233