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20054232315 = 37513141073
BaseRepresentation
bin10010101011010100…
…110100110011111011
31220202121120120000000
4102223110310303323
5312032340413230
613113543444043
71306651106415
oct225324646373
956677516000
1020054232315
118561100617
123a78156623
131b779b5570
14d835a19b5
157c58ceb60
hex4ab534cfb

20054232315 has 64 divisors (see below), whose sum is σ = 38868708480. Its totient is φ = 9872782848.

The previous prime is 20054232313. The next prime is 20054232329. The reversal of 20054232315 is 51323245002.

It is a happy number.

20054232315 is a `hidden beast` number, since 2 + 0 + 0 + 5 + 423 + 231 + 5 = 666.

It is not a de Polignac number, because 20054232315 - 21 = 20054232313 is a prime.

It is a super-3 number, since 3×200542323153 (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20054232313) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71619 + ... + 212691.

It is an arithmetic number, because the mean of its divisors is an integer number (607323570).

Almost surely, 220054232315 is an apocalyptic number.

20054232315 is a deficient number, since it is larger than the sum of its proper divisors (18814476165).

20054232315 is an equidigital number, since it uses as much as digits as its factorization.

20054232315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141112 (or 141094 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 20054232315 its reverse (51323245002), we get a palindrome (71377477317).

The spelling of 20054232315 in words is "twenty billion, fifty-four million, two hundred thirty-two thousand, three hundred fifteen".

Divisors: 1 3 5 9 13 15 27 39 45 65 81 117 135 195 243 351 405 585 729 1053 1215 1755 2187 3159 3645 5265 9477 10935 15795 28431 47385 141073 142155 423219 705365 1269657 1833949 2116095 3808971 5501847 6348285 9169745 11426913 16505541 19044855 27509235 34280739 49516623 57134565 82527705 102842217 148549869 171403695 247583115 308526651 445649607 514211085 742749345 1336948821 1542633255 2228248035 4010846463 6684744105 20054232315