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144636025272 = 23315139910603
BaseRepresentation
bin1000011010110011111…
…0101001100110111000
3111211022221012100211220
42012230332221212320
54332203310302042
6150240031552040
713310133633654
oct2065476514670
9454287170756
10144636025272
11563812a1592
122404638b620
13108401b390b
147001225a64
153b67c2d8ec
hex21acfa99b8

144636025272 has 32 divisors (see below), whose sum is σ = 363984708480. Its totient is φ = 47892722400.

The previous prime is 144636025229. The next prime is 144636025291. The reversal of 144636025272 is 272520636441.

It is a congruent number.

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, 19951678 + ... + 19958925.

It is an arithmetic number, because the mean of its divisors is an integer number (11374522140).

Almost surely, 2144636025272 is an apocalyptic number.

144636025272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144636025272 is an abundant number, since it is smaller than the sum of its proper divisors (219348683208).

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

144636025272 is a wasteful number, since it uses less digits than its factorization.

144636025272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39910763 (or 39910759 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 144636025272 in words is "one hundred forty-four billion, six hundred thirty-six million, twenty-five thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 151 302 453 604 906 1208 1812 3624 39910603 79821206 119731809 159642412 239463618 319284824 478927236 957854472 6026501053 12053002106 18079503159 24106004212 36159006318 48212008424 72318012636 144636025272