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231035138210 = 2551794460999
BaseRepresentation
bin1101011100101011000…
…1000111000010100010
3211002100020101001112202
43113022301013002202
512241124443410320
6254045220453202
722456160162342
oct3271261070242
9732306331482
10231035138210
1189a88348958
123893924a202
1318a2bca5096
14b279bc2d22
156022dc0b75
hex35cac470a2

231035138210 has 16 divisors (see below), whose sum is σ = 415943640000. Its totient is φ = 92396190576.

The previous prime is 231035138209. The next prime is 231035138221. The reversal of 231035138210 is 12831530132.

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, 2178710 + ... + 2282289.

It is an arithmetic number, because the mean of its divisors is an integer number (25996477500).

Almost surely, 2231035138210 is an apocalyptic number.

231035138210 is a deficient number, since it is larger than the sum of its proper divisors (184908501790).

231035138210 is a wasteful number, since it uses less digits than its factorization.

231035138210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4466185.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 231035138210 its reverse (12831530132), we get a palindrome (243866668342).

The spelling of 231035138210 in words is "two hundred thirty-one billion, thirty-five million, one hundred thirty-eight thousand, two hundred ten".

Divisors: 1 2 5 10 5179 10358 25895 51790 4460999 8921998 22304995 44609990 23103513821 46207027642 115517569105 231035138210