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145231681030 = 25611188720029
BaseRepresentation
bin1000011101000001111…
…0111001011000000110
3111212212110000210221021
42013100132321120012
54334413302243110
6150415110541354
713330655630452
oct2072036713006
9455773023837
10145231681030
1156657552577
122419196785a
131090671b047
14705a39b662
153ba018e2da
hex21d07b9606

145231681030 has 32 divisors (see below), whose sum is σ = 265738170240. Its totient is φ = 57132673920.

The previous prime is 145231681027. The next prime is 145231681039. The reversal of 145231681030 is 30186132541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145231681039) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7241056 + ... + 7261084.

It is an arithmetic number, because the mean of its divisors is an integer number (8304317820).

Almost surely, 2145231681030 is an apocalyptic number.

145231681030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145231681030 is a deficient number, since it is larger than the sum of its proper divisors (120506489210).

145231681030 is a wasteful number, since it uses less digits than its factorization.

145231681030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31984.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 145231681030 in words is "one hundred forty-five billion, two hundred thirty-one million, six hundred eighty-one thousand, thirty".

Divisors: 1 2 5 10 61 122 305 610 11887 20029 23774 40058 59435 100145 118870 200290 725107 1221769 1450214 2443538 3625535 6108845 7251070 12217690 238084723 476169446 1190423615 2380847230 14523168103 29046336206 72615840515 145231681030