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144720345674 = 2139520576783
BaseRepresentation
bin1000011011001000000…
…0010011101001001010
3111211112210212021200202
42012302000103221022
54332341402030144
6150252243132202
713312206433022
oct2066200235112
9454483767622
10144720345674
1156414953773
122406a674062
13108547c7648
14700c4d4a82
153b7033764e
hex21b2013a4a

144720345674 has 8 divisors (see below), whose sum is σ = 218642249280. Its totient is φ = 71839595916.

The previous prime is 144720345673. The next prime is 144720345713. The reversal of 144720345674 is 476543027441.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144720345673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260288114 + ... + 260288669.

It is an arithmetic number, because the mean of its divisors is an integer number (27330281160).

Almost surely, 2144720345674 is an apocalyptic number.

144720345674 is a deficient number, since it is larger than the sum of its proper divisors (73921903606).

144720345674 is a wasteful number, since it uses less digits than its factorization.

144720345674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520576924.

The product of its (nonzero) digits is 2257920, while the sum is 47.

The spelling of 144720345674 in words is "one hundred forty-four billion, seven hundred twenty million, three hundred forty-five thousand, six hundred seventy-four".

Divisors: 1 2 139 278 520576783 1041153566 72360172837 144720345674