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144449711430 = 23511257427733
BaseRepresentation
bin1000011010000111011…
…1111010110101000110
3111210211221121122022020
42012201313322311012
54331313111231210
6150205334344010
713302412200633
oct2064167726506
9453757548266
10144449711430
1156296107202
1223bb3abb006
131081070bc3b
146dc45a718a
153b566c9770
hex21a1dfad46

144449711430 has 32 divisors (see below), whose sum is σ = 346710914784. Its totient is φ = 38516411136.

The previous prime is 144449711381. The next prime is 144449711489. The reversal of 144449711430 is 34117944441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123844 + ... + 551576.

It is an arithmetic number, because the mean of its divisors is an integer number (10834716087).

Almost surely, 2144449711430 is an apocalyptic number.

144449711430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144449711430 is an abundant number, since it is smaller than the sum of its proper divisors (202261203354).

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

144449711430 is a wasteful number, since it uses less digits than its factorization.

144449711430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439000.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 144449711430 in words is "one hundred forty-four billion, four hundred forty-nine million, seven hundred eleven thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 11257 22514 33771 56285 67542 112570 168855 337710 427733 855466 1283199 2138665 2566398 4277330 6415995 12831990 4814990381 9629980762 14444971143 24074951905 28889942286 48149903810 72224855715 144449711430