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205154534010 = 23510167707767
BaseRepresentation
bin1011111100010000101…
…0011100001001111010
3201121112120110010212110
42333010022130021322
511330124030042020
6234125141353150
720551630523646
oct2770412341172
9647476403773
10205154534010
117a007427968
1233915a087b6
13164661a65ba
149d028cbc26
15550ac538e0
hex2fc429c27a

205154534010 has 32 divisors (see below), whose sum is σ = 497245848192. Its totient is φ = 54166212800.

The previous prime is 205154534003. The next prime is 205154534017. The reversal of 205154534010 is 10435451502.

205154534010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (205154534003) and next prime (205154534017).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (205154534017) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33850854 + ... + 33856913.

It is an arithmetic number, because the mean of its divisors is an integer number (15538932756).

Almost surely, 2205154534010 is an apocalyptic number.

205154534010 is an abundant number, since it is smaller than the sum of its proper divisors (292091314182).

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

205154534010 is a wasteful number, since it uses less digits than its factorization.

205154534010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67707878.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 205154534010 its reverse (10435451502), we get a palindrome (215589985512).

The spelling of 205154534010 in words is "two hundred five billion, one hundred fifty-four million, five hundred thirty-four thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 101 202 303 505 606 1010 1515 3030 67707767 135415534 203123301 338538835 406246602 677077670 1015616505 2031233010 6838484467 13676968934 20515453401 34192422335 41030906802 68384844670 102577267005 205154534010