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20514030554 = 243238535239
BaseRepresentation
bin10011000110101110…
…110100001111011010
31221221122202201121102
4103012232310033122
5314003042434204
613231330511402
71324233245153
oct230656641732
957848681542
1020514030554
1187776a9866
123b86135562
131c1c033024
14dc869092a
15800e5641e
hex4c6bb43da

20514030554 has 8 divisors (see below), whose sum is σ = 31486651680. Its totient is φ = 10018479996.

The previous prime is 20514030539. The next prime is 20514030623. The reversal of 20514030554 is 45503041502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119267534 + ... + 119267705.

It is an arithmetic number, because the mean of its divisors is an integer number (3935831460).

Almost surely, 220514030554 is an apocalyptic number.

20514030554 is a deficient number, since it is larger than the sum of its proper divisors (10972621126).

20514030554 is a wasteful number, since it uses less digits than its factorization.

20514030554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238535284.

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 20514030554 in words is "twenty billion, five hundred fourteen million, thirty thousand, five hundred fifty-four".

Divisors: 1 2 43 86 238535239 477070478 10257015277 20514030554