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144474461236 = 22744311647409
BaseRepresentation
bin1000011010001101011…
…0010101010000110100
3111210220200012001122201
42012203112111100310
54331340430224421
6150212021034244
713303132441540
oct2064326252064
9453820161581
10144474461236
11562a9081096
1224000255984
13108158962b1
146dc79aaa20
153b58967b91
hex21a3595434

144474461236 has 24 divisors (see below), whose sum is σ = 289601202240. Its totient is φ = 61777852032.

The previous prime is 144474461231. The next prime is 144474461419. The reversal of 144474461236 is 632164474441.

144474461236 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144474461231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5811301 + ... + 5836108.

It is an arithmetic number, because the mean of its divisors is an integer number (12066716760).

Almost surely, 2144474461236 is an apocalyptic number.

It is an amenable number.

144474461236 is an abundant number, since it is smaller than the sum of its proper divisors (145126741004).

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

144474461236 is a wasteful number, since it uses less digits than its factorization.

144474461236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11647863 (or 11647861 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 46.

It can be divided in two parts, 1444744 and 61236, that added together give a triangular number (1505980 = T1735).

The spelling of 144474461236 in words is "one hundred forty-four billion, four hundred seventy-four million, four hundred sixty-one thousand, two hundred thirty-six".

Divisors: 1 2 4 7 14 28 443 886 1772 3101 6202 12404 11647409 23294818 46589636 81531863 163063726 326127452 5159802187 10319604374 20639208748 36118615309 72237230618 144474461236