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144442943650 = 2522888858873
BaseRepresentation
bin1000011010000101111…
…0000110100010100010
3111210211110212210122201
42012201132012202202
54331304343144100
6150204533323414
713302300522535
oct2064136064242
9453743783581
10144442943650
11562923044a5
1223bb179656a
131080c1ac635
146dc3724a1c
153b55cde36a
hex21a17868a2

144442943650 has 12 divisors (see below), whose sum is σ = 268663875282. Its totient is φ = 57777177440.

The previous prime is 144442943633. The next prime is 144442943681. The reversal of 144442943650 is 56349244441.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 67034905921 + 77408037729 = 258911^2 + 278223^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 144442943650.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1444429387 + ... + 1444429486.

Almost surely, 2144442943650 is an apocalyptic number.

144442943650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144442943650 is a deficient number, since it is larger than the sum of its proper divisors (124220931632).

144442943650 is a wasteful number, since it uses less digits than its factorization.

144442943650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888858885 (or 2888858880 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 144442943650 in words is "one hundred forty-four billion, four hundred forty-two million, nine hundred forty-three thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 2888858873 5777717746 14444294365 28888588730 72221471825 144442943650