Search a number
-
+
20230204312 = 232528775539
BaseRepresentation
bin10010110101110100…
…000110101110011000
31221012212200212012101
4102311310012232120
5312412413014222
613143231253144
71314215620333
oct226564065630
957185625171
1020230204312
118641471a1a
123b0707a1b4
131ba52a8bc6
14d9cacb61a
157d608e927
hex4b5d06b98

20230204312 has 8 divisors (see below), whose sum is σ = 37931633100. Its totient is φ = 10115102152.

The previous prime is 20230204307. The next prime is 20230204331. The reversal of 20230204312 is 21340203202.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×202302043122 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20230204312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1264387762 + ... + 1264387777.

Almost surely, 220230204312 is an apocalyptic number.

It is an amenable number.

20230204312 is a deficient number, since it is larger than the sum of its proper divisors (17701428788).

20230204312 is a wasteful number, since it uses less digits than its factorization.

20230204312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528775545 (or 2528775541 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20230204312 its reverse (21340203202), we get a palindrome (41570407514).

The spelling of 20230204312 in words is "twenty billion, two hundred thirty million, two hundred four thousand, three hundred twelve".

Divisors: 1 2 4 8 2528775539 5057551078 10115102156 20230204312