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144734727670 = 251317111758631
BaseRepresentation
bin1000011011001011011…
…1001010110111110110
3111211120210220222002021
42012302313022313312
54332404042241140
6150253515303354
713312442613031
oct2066267126766
9454523828067
10144734727670
1156421a87115
122407344ab5a
13108577918c0
14701039a018
153b71728b4a
hex21b2dcadf6

144734727670 has 64 divisors (see below), whose sum is σ = 297337412736. Its totient is φ = 50251069440.

The previous prime is 144734727667. The next prime is 144734727701. The reversal of 144734727670 is 76727437441.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2439255 + ... + 2497885.

It is an arithmetic number, because the mean of its divisors is an integer number (4645897074).

Almost surely, 2144734727670 is an apocalyptic number.

144734727670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144734727670 is an abundant number, since it is smaller than the sum of its proper divisors (152602685066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144734727670 is a wasteful number, since it uses less digits than its factorization.

144734727670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59785.

The product of its (nonzero) digits is 5531904, while the sum is 52.

The spelling of 144734727670 in words is "one hundred forty-four billion, seven hundred thirty-four million, seven hundred twenty-seven thousand, six hundred seventy".

Divisors: 1 2 5 10 13 17 26 34 65 85 130 170 221 442 1105 1117 2210 2234 5585 11170 14521 18989 29042 37978 58631 72605 94945 117262 145210 189890 246857 293155 493714 586310 762203 996727 1234285 1524406 1993454 2468570 3811015 4983635 7622030 9967270 12957451 25914902 64787255 65490827 129574510 130981654 327454135 654908270 851380751 1113344059 1702761502 2226688118 4256903755 5566720295 8513807510 11133440590 14473472767 28946945534 72367363835 144734727670