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145824744064 = 277691481477
BaseRepresentation
bin1000011111001111010…
…1010000001010000000
3111221101202222112110211
42013303311100022000
54342122113302224
6150554014203504
713351446605266
oct2076365201200
9457352875424
10145824744064
11569312a260a
12243184b3594
131099c55830c
1470b505a436
153bd728b894
hex21f3d50280

145824744064 has 32 divisors (see below), whose sum is σ = 290888205300. Its totient is φ = 72817508352.

The previous prime is 145824744061. The next prime is 145824744071. The reversal of 145824744064 is 460447428541.

It can be written as a sum of positive squares in 2 ways, for example, as 139487310400 + 6337433664 = 373480^2 + 79608^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1458247440642 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145824743999 and 145824744017.

It is not an unprimeable number, because it can be changed into a prime (145824744061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642307 + ... + 839170.

Almost surely, 2145824744064 is an apocalyptic number.

It is an amenable number.

145824744064 is a deficient number, since it is larger than the sum of its proper divisors (145063461236).

145824744064 is an equidigital number, since it uses as much as digits as its factorization.

145824744064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482260 (or 1482248 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 49.

The spelling of 145824744064 in words is "one hundred forty-five billion, eight hundred twenty-four million, seven hundred forty-four thousand, sixty-four".

Divisors: 1 2 4 8 16 32 64 128 769 1538 3076 6152 12304 24608 49216 98432 1481477 2962954 5925908 11851816 23703632 47407264 94814528 189629056 1139255813 2278511626 4557023252 9114046504 18228093008 36456186016 72912372032 145824744064