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144619018858 = 21491912540831
BaseRepresentation
bin1000011010101111110…
…1110001101001101010
3111211021202012100102201
42012223331301221222
54332134432100413
6150234223250414
713306536243406
oct2065375615152
9454252170381
10144619018858
11563727363a6
1224040749a0a
131083980ac52
146ddcc7a106
153b664be9dd
hex21abf71a6a

144619018858 has 16 divisors (see below), whose sum is σ = 219527884800. Its totient is φ = 71448139600.

The previous prime is 144619018823. The next prime is 144619018879. The reversal of 144619018858 is 858810916441.

It is a junction number, because it is equal to n+sod(n) for n = 144619018799 and 144619018808.

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, 1213498 + ... + 1327333.

It is an arithmetic number, because the mean of its divisors is an integer number (13720492800).

Almost surely, 2144619018858 is an apocalyptic number.

144619018858 is a deficient number, since it is larger than the sum of its proper divisors (74908865942).

144619018858 is a wasteful number, since it uses less digits than its factorization.

144619018858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541173.

The product of its (nonzero) digits is 2211840, while the sum is 55.

The spelling of 144619018858 in words is "one hundred forty-four billion, six hundred nineteen million, eighteen thousand, eight hundred fifty-eight".

Divisors: 1 2 149 191 298 382 28459 56918 2540831 5081662 378583819 485298721 757167638 970597442 72309509429 144619018858