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144661733797 = 7192917372877
BaseRepresentation
bin1000011010111010000…
…0101110000110100101
3111211101201120111022111
42012232200232012211
54332231400440142
6150242351001021
713310565306640
oct2065640560645
9454351514274
10144661733797
11563948607a9
1224052b09171
1310845615469
1470047d8a57
153b6a10ae17
hex21ae82e1a5

144661733797 has 16 divisors (see below), whose sum is σ = 174089280640. Its totient is φ = 117429092928.

The previous prime is 144661733761. The next prime is 144661733849. The reversal of 144661733797 is 797337166441.

It is not a de Polignac number, because 144661733797 - 211 = 144661731749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144661733747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201523 + ... + 574399.

It is an arithmetic number, because the mean of its divisors is an integer number (10880580040).

Almost surely, 2144661733797 is an apocalyptic number.

It is an amenable number.

144661733797 is a deficient number, since it is larger than the sum of its proper divisors (29427546843).

144661733797 is a wasteful number, since it uses less digits than its factorization.

144661733797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375820.

The product of its digits is 16003008, while the sum is 58.

The spelling of 144661733797 in words is "one hundred forty-four billion, six hundred sixty-one million, seven hundred thirty-three thousand, seven hundred ninety-seven".

Divisors: 1 7 19 133 2917 20419 55423 372877 387961 2610139 7084663 49592641 1087682209 7613775463 20665961971 144661733797