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144431131418170 = 25105367137074351
BaseRepresentation
bin100000110101101111111110…
…010010000101111000111010
3200221101110222212202111211221
4200311233332102011320322
5122412324424120340140
61231102425031342254
742264543035631262
oct4065577622057072
9627343885674757
10144431131418170
1142024998412483
121424787982198a
136278a4974085c
14279470b1d47a2
1511a6eb9ea914a
hex835bfe485e3a

144431131418170 has 16 divisors (see below), whose sum is σ = 259978505787648. Its totient is φ = 57771903848400.

The previous prime is 144431131418159. The next prime is 144431131418173. The reversal of 144431131418170 is 71814131134441.

It is a super-2 number, since 2×1444311314181702 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144431131418173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67483506 + ... + 69590845.

It is an arithmetic number, because the mean of its divisors is an integer number (16248656611728).

Almost surely, 2144431131418170 is an apocalyptic number.

144431131418170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144431131418170 is a deficient number, since it is larger than the sum of its proper divisors (115547374369478).

144431131418170 is a wasteful number, since it uses less digits than its factorization.

144431131418170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137179725.

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 144431131418170 in words is "one hundred forty-four trillion, four hundred thirty-one billion, one hundred thirty-one million, four hundred eighteen thousand, one hundred seventy".

Divisors: 1 2 5 10 105367 210734 526835 1053670 137074351 274148702 685371755 1370743510 14443113141817 28886226283634 72215565709085 144431131418170