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144920209245312 = 2731237305090039
BaseRepresentation
bin100000111100110111011101…
…100101111100010010000000
3201000010020101112222100121210
4200330313131211330102000
5122443333042031322222
61232115231450450120
742345065611601244
oct4074673545742200
9630106345870553
10144920209245312
11421a3352069836
1214306610a33940
1362b2bbcb13347
1427b0265a06424
1511b4a91cc2d0c
hex83cddd97c480

144920209245312 has 64 divisors (see below), whose sum is σ = 385255498910400. Its totient is φ = 48267684731904.

The previous prime is 144920209245269. The next prime is 144920209245313. The reversal of 144920209245312 is 213542902029441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (144920209245313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152070012 + ... + 153020027.

It is an arithmetic number, because the mean of its divisors is an integer number (6019617170475).

Almost surely, 2144920209245312 is an apocalyptic number.

144920209245312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144920209245312 is an abundant number, since it is smaller than the sum of its proper divisors (240335289665088).

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

144920209245312 is a wasteful number, since it uses less digits than its factorization.

144920209245312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305091293 (or 305091281 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 144920209245312 in words is "one hundred forty-four trillion, nine hundred twenty billion, two hundred nine million, two hundred forty-five thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 1237 2474 3711 4948 7422 9896 14844 19792 29688 39584 59376 79168 118752 158336 237504 475008 305090039 610180078 915270117 1220360156 1830540234 2440720312 3661080468 4881440624 7322160936 9762881248 14644321872 19525762496 29288643744 39051524992 58577287488 117154574976 377396378243 754792756486 1132189134729 1509585512972 2264378269458 3019171025944 4528756538916 6038342051888 9057513077832 12076684103776 18115026155664 24153368207552 36230052311328 48306736415104 72460104622656 144920209245312