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144938208244 = 22231575415307
BaseRepresentation
bin1000011011111011111…
…1011000101111110100
3111212002222210211221211
42012332333120233310
54333313140130434
6150330024451204
713320463304614
oct2067677305764
9455088724854
10144938208244
1156516927085
122410b619b04
131088a9971cb
14702d406a44
153b8451e464
hex21befd8bf4

144938208244 has 12 divisors (see below), whose sum is σ = 264669771744. Its totient is φ = 69318273464.

The previous prime is 144938208229. The next prime is 144938208251. The reversal of 144938208244 is 442802839441.

It is a happy number.

It is a super-2 number, since 2×1449382082442 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787707562 + ... + 787707745.

It is an arithmetic number, because the mean of its divisors is an integer number (22055814312).

Almost surely, 2144938208244 is an apocalyptic number.

It is an amenable number.

144938208244 is a deficient number, since it is larger than the sum of its proper divisors (119731563500).

144938208244 is a wasteful number, since it uses less digits than its factorization.

144938208244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575415334 (or 1575415332 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 49.

The spelling of 144938208244 in words is "one hundred forty-four billion, nine hundred thirty-eight million, two hundred eight thousand, two hundred forty-four".

Divisors: 1 2 4 23 46 92 1575415307 3150830614 6301661228 36234552061 72469104122 144938208244