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10103133321221 = 31325907526491
BaseRepresentation
bin1001001100000101000110…
…1011000011100000000101
31022202211221201202210202012
42103001101223003200011
52311012204112234341
633253152042024005
72061633030201143
oct223012153034005
938684851683665
1010103133321221
11324579540a796
12117207aaa8005
1358394bb5b895
1426cdcc37c593
15127c142a90eb
hex93051ac3805

10103133321221 has 4 divisors (see below), whose sum is σ = 10429040847744. Its totient is φ = 9777225794700.

The previous prime is 10103133321217. The next prime is 10103133321233. The reversal of 10103133321221 is 12212333130101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10103133321221 - 22 = 10103133321217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10103133221221) 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, 162953763215 + ... + 162953763276.

It is an arithmetic number, because the mean of its divisors is an integer number (2607260211936).

Almost surely, 210103133321221 is an apocalyptic number.

It is an amenable number.

10103133321221 is a deficient number, since it is larger than the sum of its proper divisors (325907526523).

10103133321221 is an equidigital number, since it uses as much as digits as its factorization.

10103133321221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325907526522.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 10103133321221 its reverse (12212333130101), we get a palindrome (22315466451322).

The spelling of 10103133321221 in words is "ten trillion, one hundred three billion, one hundred thirty-three million, three hundred twenty-one thousand, two hundred twenty-one".

Divisors: 1 31 325907526491 10103133321221