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145240341320 = 2354338385701
BaseRepresentation
bin1000011101000011111…
…1111011101101001000
3111212220001022210121202
42013100333323231020
54334423011410240
6150420020323332
713331122350224
oct2072077735510
9455801283552
10145240341320
1156661428138
1224194843548
1310908460b89
14705b5b3784
153ba0d00315
hex21d0ffbb48

145240341320 has 32 divisors (see below), whose sum is σ = 327545520120. Its totient is φ = 57961958400.

The previous prime is 145240341293. The next prime is 145240341361. The reversal of 145240341320 is 23143042541.

It can be written as a sum of positive squares in 4 ways, for example, as 64787557156 + 80452784164 = 254534^2 + 283642^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4175531 + ... + 4210170.

Almost surely, 2145240341320 is an apocalyptic number.

145240341320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145240341320 is an abundant number, since it is smaller than the sum of its proper divisors (182305178800).

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

145240341320 is a wasteful number, since it uses less digits than its factorization.

145240341320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8386145 (or 8386141 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 145240341320 its reverse (23143042541), we get a palindrome (168383383861).

The spelling of 145240341320 in words is "one hundred forty-five billion, two hundred forty million, three hundred forty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 433 866 1732 2165 3464 4330 8660 17320 8385701 16771402 33542804 41928505 67085608 83857010 167714020 335428040 3631008533 7262017066 14524034132 18155042665 29048068264 36310085330 72620170660 145240341320