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145731064332 = 22371734893623
BaseRepresentation
bin1000011110111000111…
…1111001001000001100
3111221011020201010001010
42013232033321020030
54341424123024312
6150540430245220
713346231415450
oct2075617711014
9457136633033
10145731064332
1156893428647
12242b1056810
1310986018519
1470a6832660
153bcde3493c
hex21ee3f920c

145731064332 has 24 divisors (see below), whose sum is σ = 388616171776. Its totient is φ = 41637446928.

The previous prime is 145731064309. The next prime is 145731064357. The reversal of 145731064332 is 233460137541.

145731064332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1457310643322 (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 867446728 + ... + 867446895.

Almost surely, 2145731064332 is an apocalyptic number.

145731064332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145731064332 is an abundant number, since it is smaller than the sum of its proper divisors (242885107444).

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

145731064332 is a wasteful number, since it uses less digits than its factorization.

145731064332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734893637 (or 1734893635 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 145731064332 in words is "one hundred forty-five billion, seven hundred thirty-one million, sixty-four thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1734893623 3469787246 5204680869 6939574492 10409361738 12144255361 20818723476 24288510722 36432766083 48577021444 72865532166 145731064332