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930223121101 = 1009921925789
BaseRepresentation
bin11011000100101011001…
…11100110001011001101
310021221001211220201012221
431202111213212023031
5110220044104333401
61551201045455341
7124130540032141
oct15422547461315
93257054821187
10930223121101
1132956177902a
12130349a11551
1369948142411
1433047311221
15192e5a2a7a1
hexd8959e62cd

930223121101 has 4 divisors (see below), whose sum is σ = 931145047900. Its totient is φ = 929301194304.

The previous prime is 930223121083. The next prime is 930223121123. The reversal of 930223121101 is 101121322039.

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

It can be written as a sum of positive squares in 2 ways, for example, as 600781560201 + 329441560900 = 775101^2 + 573970^2 .

It is a cyclic number.

It is not a de Polignac number, because 930223121101 - 217 = 930222990029 is a prime.

It is a super-2 number, since 2×9302231211012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (930223121801) 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, 460961886 + ... + 460963903.

It is an arithmetic number, because the mean of its divisors is an integer number (232786261975).

Almost surely, 2930223121101 is an apocalyptic number.

It is an amenable number.

930223121101 is a deficient number, since it is larger than the sum of its proper divisors (921926799).

930223121101 is a wasteful number, since it uses less digits than its factorization.

930223121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921926798.

The product of its (nonzero) digits is 648, while the sum is 25.

It can be divided in two parts, 93022 and 3121101, that added together give a palindrome (3214123).

The spelling of 930223121101 in words is "nine hundred thirty billion, two hundred twenty-three million, one hundred twenty-one thousand, one hundred one".

Divisors: 1 1009 921925789 930223121101