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161030112423023 = 361086144596043
BaseRepresentation
bin100100100111010010111110…
…101001100010110001101111
3210010011022212101222001111202
4210213102332221202301233
5132101304132240014043
61330252113513240115
745630020205331544
oct4447227651426157
9703138771861452
10161030112423023
114734453a464298
121608886aa0303b
136bb10c772824c
142ba9c82d02bcb
151393b6951d1b8
hex9274bea62c6f

161030112423023 has 4 divisors (see below), whose sum is σ = 161030160629928. Its totient is φ = 161030064216120.

The previous prime is 161030112422897. The next prime is 161030112423067. The reversal of 161030112423023 is 320324211030161.

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 161030112423023 - 210 = 161030112421999 is a prime.

It is a super-3 number, since 3×1610301124230233 (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161030112423923) 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, 18687161 + ... + 25908882.

It is an arithmetic number, because the mean of its divisors is an integer number (40257540157482).

Almost surely, 2161030112423023 is an apocalyptic number.

161030112423023 is a deficient number, since it is larger than the sum of its proper divisors (48206905).

161030112423023 is an equidigital number, since it uses as much as digits as its factorization.

161030112423023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48206904.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 161030112423023 its reverse (320324211030161), we get a palindrome (481354323453184).

The spelling of 161030112423023 in words is "one hundred sixty-one trillion, thirty billion, one hundred twelve million, four hundred twenty-three thousand, twenty-three".

Divisors: 1 3610861 44596043 161030112423023