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20154324230 = 256397315059
BaseRepresentation
bin10010110001010010…
…101001010100000110
31221000120220202021222
4102301102221110012
5312234001333410
613131521040342
71312304633525
oct226122512406
957016822258
1020154324230
118602655107
123aa57860b2
131b9265bb51
14d929b84bc
157ce5a1955
hex4b14a9506

20154324230 has 16 divisors (see below), whose sum is σ = 36283569840. Its totient is φ = 8060443872.

The previous prime is 20154324227. The next prime is 20154324263. The reversal of 20154324230 is 3242345102.

It is a self number, because there is not a number n which added to its sum of digits gives 20154324230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93560 + ... + 221499.

It is an arithmetic number, because the mean of its divisors is an integer number (2267723115).

Almost surely, 220154324230 is an apocalyptic number.

20154324230 is a deficient number, since it is larger than the sum of its proper divisors (16129245610).

20154324230 is a wasteful number, since it uses less digits than its factorization.

20154324230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321463.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 20154324230 its reverse (3242345102), we get a palindrome (23396669332).

The spelling of 20154324230 in words is "twenty billion, one hundred fifty-four million, three hundred twenty-four thousand, two hundred thirty".

Divisors: 1 2 5 10 6397 12794 31985 63970 315059 630118 1575295 3150590 2015432423 4030864846 10077162115 20154324230