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243101606316444 = 223219389913654769
BaseRepresentation
bin110111010001100110000000…
…111000111000100110011100
31011212202021201221001000111100
4313101212000320320212130
5223330434042204111234
62221011200341153100
7102130340300152311
oct6721460070704634
91155667657030440
10243101606316444
11705068a3135547
12233228780bb790
13a5854c9900a75
144406275512d08
151d1896d785399
hexdd1980e3899c

243101606316444 has 72 divisors (see below), whose sum is σ = 648512155746000. Its totient is φ = 76571578796544.

The previous prime is 243101606316433. The next prime is 243101606316449. The reversal of 243101606316444 is 444613606101342.

243101606316444 is a `hidden beast` number, since 2 + 4 + 3 + 1 + 0 + 1 + 6 + 0 + 631 + 6 + 4 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 243101606316444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243101606316449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 456561309 + ... + 457093460.

It is an arithmetic number, because the mean of its divisors is an integer number (9007113274250).

Almost surely, 2243101606316444 is an apocalyptic number.

It is an amenable number.

243101606316444 is an abundant number, since it is smaller than the sum of its proper divisors (405410549429556).

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

243101606316444 is a wasteful number, since it uses less digits than its factorization.

243101606316444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913655187 (or 913655182 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 243101606316444 in words is "two hundred forty-three trillion, one hundred one billion, six hundred six million, three hundred sixteen thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 389 684 778 1167 1556 2334 3501 4668 7002 7391 14004 14782 22173 29564 44346 66519 88692 133038 266076 913654769 1827309538 2740964307 3654619076 5481928614 8222892921 10963857228 16445785842 17359440611 32891571684 34718881222 52078321833 69437762444 104156643666 156234965499 208313287332 312469930998 355411705141 624939861996 710823410282 1066235115423 1421646820564 2132470230846 3198705346269 4264940461692 6397410692538 6752822397679 12794821385076 13505644795358 20258467193037 27011289590716 40516934386074 60775401579111 81033868772148 121550803158222 243101606316444