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144860587379 = 1947162217903
BaseRepresentation
bin1000011011101001011…
…1010010010101110011
3111211220120202022010222
42012322113102111303
54333133302244004
6150314213043255
713315531450664
oct2067227222563
9454816668128
10144860587379
1156487030402
12240a962652b
131087788a9c1
147022d9d36b
153b7c7da7be
hex21ba5d2573

144860587379 has 8 divisors (see below), whose sum is σ = 155729187840. Its totient is φ = 134316422856.

The previous prime is 144860587369. The next prime is 144860587411. The reversal of 144860587379 is 973785068441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144860587379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144860587369) 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, 81108059 + ... + 81109844.

It is an arithmetic number, because the mean of its divisors is an integer number (19466148480).

Almost surely, 2144860587379 is an apocalyptic number.

144860587379 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

144860587379 is a deficient number, since it is larger than the sum of its proper divisors (10868600461).

144860587379 is a wasteful number, since it uses less digits than its factorization.

144860587379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162217969.

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 144860587379 in words is "one hundred forty-four billion, eight hundred sixty million, five hundred eighty-seven thousand, three hundred seventy-nine".

Divisors: 1 19 47 893 162217903 3082140157 7624241441 144860587379