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144215957707 = 181823796731
BaseRepresentation
bin1000011001001111110…
…0001110000011001011
3111210020122202201110221
42012103330032003023
54330323241121312
6150130224250511
713263543262123
oct2062374160313
9453218681427
10144215957707
115618616a608
1223b49770a37
13107a4167223
146da1519c83
153b40e04207
hex2193f0e0cb

144215957707 has 8 divisors (see below), whose sum is σ = 145031835312. Its totient is φ = 143400290400.

The previous prime is 144215957701. The next prime is 144215957741. The reversal of 144215957707 is 707759512441.

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-144215957707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144215957701) 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, 1442532 + ... + 1539262.

It is an arithmetic number, because the mean of its divisors is an integer number (18128979414).

Almost surely, 2144215957707 is an apocalyptic number.

144215957707 is a deficient number, since it is larger than the sum of its proper divisors (815877605).

144215957707 is an equidigital number, since it uses as much as digits as its factorization.

144215957707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105149.

The product of its (nonzero) digits is 2469600, while the sum is 52.

The spelling of 144215957707 in words is "one hundred forty-four billion, two hundred fifteen million, nine hundred fifty-seven thousand, seven hundred seven".

Divisors: 1 181 8237 96731 1490897 17508311 796773247 144215957707