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144942197914 = 2177953962099
BaseRepresentation
bin1000011011111100111…
…0100110110010011010
3111212010021022112202101
42012333032212302122
54333320200313124
6150330250154014
713320542232403
oct2067716466232
9455107275671
10144942197914
1156519101628
1224110a2290a
131088b763167
14702db649aa
153b84a5b644
hex21bf3a6c9a

144942197914 has 16 divisors (see below), whose sum is σ = 233116272000. Its totient is φ = 67344698304.

The previous prime is 144942197909. The next prime is 144942197977. The reversal of 144942197914 is 419791249441.

It is a super-2 number, since 2×1449421979142 (a number of 23 digits) contains 22 as substring.

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, 26978364 + ... + 26983735.

It is an arithmetic number, because the mean of its divisors is an integer number (14569767000).

Almost surely, 2144942197914 is an apocalyptic number.

144942197914 is a deficient number, since it is larger than the sum of its proper divisors (88174074086).

144942197914 is a wasteful number, since it uses less digits than its factorization.

144942197914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53962197.

The product of its digits is 2612736, while the sum is 55.

The spelling of 144942197914 in words is "one hundred forty-four billion, nine hundred forty-two million, one hundred ninety-seven thousand, nine hundred fourteen".

Divisors: 1 2 17 34 79 158 1343 2686 53962099 107924198 917355683 1834711366 4263005821 8526011642 72471098957 144942197914