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144532330605 = 32513247063813
BaseRepresentation
bin1000011010011011001…
…1000101100001101101
3111211001201002010111200
42012212303011201231
54332000234034410
6150221445240113
713304434353105
oct2064663054155
9454051063450
10144532330605
1156328807213
1224017703039
1310824878520
146dd1552205
153b5da993c0
hex21a6cc586d

144532330605 has 24 divisors (see below), whose sum is σ = 269793684888. Its totient is φ = 71154377856.

The previous prime is 144532330603. The next prime is 144532330669. The reversal of 144532330605 is 506033235441.

144532330605 is a `hidden beast` number, since 1 + 4 + 45 + 3 + 2 + 3 + 3 + 0 + 605 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6643391049 + 137888939556 = 81507^2 + 371334^2 .

It is not a de Polignac number, because 144532330605 - 21 = 144532330603 is a prime.

It is a super-2 number, since 2×1445323306052 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144532330605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144532330603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123531322 + ... + 123532491.

It is an arithmetic number, because the mean of its divisors is an integer number (11241403537).

Almost surely, 2144532330605 is an apocalyptic number.

144532330605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144532330605 is a deficient number, since it is larger than the sum of its proper divisors (125261354283).

144532330605 is a wasteful number, since it uses less digits than its factorization.

144532330605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247063837 (or 247063834 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 144532330605 in words is "one hundred forty-four billion, five hundred thirty-two million, three hundred thirty thousand, six hundred five".

Divisors: 1 3 5 9 13 15 39 45 65 117 195 585 247063813 741191439 1235319065 2223574317 3211829569 3705957195 9635488707 11117871585 16059147845 28906466121 48177443535 144532330605