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144883027640 = 23513278621207
BaseRepresentation
bin1000011011101110110…
…0111000111010111000
3111211222010222101101202
42012323230320322320
54333210023341030
6150320334033332
713316223262331
oct2067354707270
9454863871352
10144883027640
115649876807a
12240b5048848
131087c416a70
147025d61288
153b7e76e745
hex21bbb38eb8

144883027640 has 32 divisors (see below), whose sum is σ = 351062722080. Its totient is φ = 53495271552.

The previous prime is 144883027591. The next prime is 144883027649. The reversal of 144883027640 is 46720388441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144883027649) 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, 139310084 + ... + 139311123.

It is an arithmetic number, because the mean of its divisors is an integer number (10970710065).

Almost surely, 2144883027640 is an apocalyptic number.

144883027640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144883027640 is an abundant number, since it is smaller than the sum of its proper divisors (206179694440).

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

144883027640 is a wasteful number, since it uses less digits than its factorization.

144883027640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278621231 (or 278621227 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 47.

The spelling of 144883027640 in words is "one hundred forty-four billion, eight hundred eighty-three million, twenty-seven thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 278621207 557242414 1114484828 1393106035 2228969656 2786212070 3622075691 5572424140 7244151382 11144848280 14488302764 18110378455 28976605528 36220756910 72441513820 144883027640