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20230254402 = 234637282309
BaseRepresentation
bin10010110101110100…
…010010111101000010
31221012212210101220120
4102311310102331002
5312412421120102
613143232321110
71314216216351
oct226564227502
957185711816
1020230254402
1186414a6616
123b070a3196
131ba52c5947
14d9cb01998
157d609e6bc
hex4b5d12f42

20230254402 has 16 divisors (see below), whose sum is σ = 40547902080. Its totient is φ = 6728852592.

The previous prime is 20230254383. The next prime is 20230254479. The reversal of 20230254402 is 20445203202.

It is a happy 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 in 7 ways as a sum of consecutive naturals, for example, 3638377 + ... + 3643932.

It is an arithmetic number, because the mean of its divisors is an integer number (2534243880).

Almost surely, 220230254402 is an apocalyptic number.

20230254402 is an abundant number, since it is smaller than the sum of its proper divisors (20317647678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20230254402 is a wasteful number, since it uses less digits than its factorization.

20230254402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7282777.

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 20230254402 its reverse (20445203202), we get a palindrome (40675457604).

The spelling of 20230254402 in words is "twenty billion, two hundred thirty million, two hundred fifty-four thousand, four hundred two".

Divisors: 1 2 3 6 463 926 1389 2778 7282309 14564618 21846927 43693854 3371709067 6743418134 10115127201 20230254402