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144779004507 = 3397121560877
BaseRepresentation
bin1000011011010110000…
…0000100101001011011
3111211200220020110111010
42012311200010221123
54333001411121012
6150302140305003
713313521143024
oct2066540045133
9454626213433
10144779004507
1156444a78a45
1224086242163
13108639c5007
147016203c4b
153b75572c3c
hex21b5804a5b

144779004507 has 8 divisors (see below), whose sum is σ = 193524917776. Its totient is φ = 96276213792.

The previous prime is 144779004481. The next prime is 144779004541. The reversal of 144779004507 is 705400977441.

It is a happy number.

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

It is not a de Polignac number, because 144779004507 - 218 = 144778742363 is a prime.

It is a super-4 number, since 4×1447790045074 (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144779004707) 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, 60779248 + ... + 60781629.

It is an arithmetic number, because the mean of its divisors is an integer number (24190614722).

Almost surely, 2144779004507 is an apocalyptic number.

144779004507 is a deficient number, since it is larger than the sum of its proper divisors (48745913269).

144779004507 is a wasteful number, since it uses less digits than its factorization.

144779004507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121561277.

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 144779004507 in words is "one hundred forty-four billion, seven hundred seventy-nine million, four thousand, five hundred seven".

Divisors: 1 3 397 1191 121560877 364682631 48259668169 144779004507