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144340420254 = 2338362811323
BaseRepresentation
bin1000011001101101011…
…1000000011010011110
3111210120022222001222220
42012123113000122132
54331102121422004
6150150432050210
713266614220522
oct2063327003236
9453508861886
10144340420254
115623a44a118
1223b83393966
13107c3b943c4
146db3c77d82
153b4bcdbdd9
hex219b5c069e

144340420254 has 16 divisors (see below), whose sum is σ = 289434580992. Its totient is φ = 47987850008.

The previous prime is 144340420249. The next prime is 144340420283. The reversal of 144340420254 is 452024043441.

It is a congruent number.

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, 31403364 + ... + 31407959.

It is an arithmetic number, because the mean of its divisors is an integer number (18089661312).

Almost surely, 2144340420254 is an apocalyptic number.

144340420254 is an abundant number, since it is smaller than the sum of its proper divisors (145094160738).

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

144340420254 is a wasteful number, since it uses less digits than its factorization.

144340420254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62811711.

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 144340420254 its reverse (452024043441), we get a palindrome (596364463695).

The spelling of 144340420254 in words is "one hundred forty-four billion, three hundred forty million, four hundred twenty thousand, two hundred fifty-four".

Divisors: 1 2 3 6 383 766 1149 2298 62811323 125622646 188433969 376867938 24056736709 48113473418 72170210127 144340420254