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10401445031021 = 11945585911911
BaseRepresentation
bin1001011101011100011001…
…1011111010110001101101
31100211100221120212210201122
42113113012123322301231
52330404124411443041
634042205145150325
72122323334661612
oct227270633726155
940740846783648
1010401445031021
113350256611630
1211bba52a8b3a5
135a5b0cc80ab5
1427d60b1a6509
15130873628c4b
hex975c66fac6d

10401445031021 has 4 divisors (see below), whose sum is σ = 11347030942944. Its totient is φ = 9455859119100.

The previous prime is 10401445030997. The next prime is 10401445031057. The reversal of 10401445031021 is 12013054410401.

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 10401445031021 - 26 = 10401445030957 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 (10401445031071) 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, 472792955945 + ... + 472792955966.

It is an arithmetic number, because the mean of its divisors is an integer number (2836757735736).

Almost surely, 210401445031021 is an apocalyptic number.

10401445031021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10401445031021 is a deficient number, since it is larger than the sum of its proper divisors (945585911923).

10401445031021 is an equidigital number, since it uses as much as digits as its factorization.

10401445031021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945585911922.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 10401445031021 its reverse (12013054410401), we get a palindrome (22414499441422).

The spelling of 10401445031021 in words is "ten trillion, four hundred one billion, four hundred forty-five million, thirty-one thousand, twenty-one".

Divisors: 1 11 945585911911 10401445031021