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244004742561 = 3389947220789
BaseRepresentation
bin1110001100111111010…
…0001110010110100001
3212022211002222020000110
43203033310032112201
512444210203230221
6304032204241533
723425444043046
oct3431764162641
9768732866013
10244004742561
1194533352638
123b3588402a9
131a017c93998
14bb4a4b91cd
15653181b776
hex38cfd0e5a1

244004742561 has 16 divisors (see below), whose sum is σ = 326521915200. Its totient is φ = 162079587648.

The previous prime is 244004742559. The next prime is 244004742623. The reversal of 244004742561 is 165247400442.

It is not a de Polignac number, because 244004742561 - 21 = 244004742559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (244004746561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 994755 + ... + 1215543.

It is an arithmetic number, because the mean of its divisors is an integer number (20407619700).

Almost surely, 2244004742561 is an apocalyptic number.

It is an amenable number.

244004742561 is a deficient number, since it is larger than the sum of its proper divisors (82517172639).

244004742561 is a wasteful number, since it uses less digits than its factorization.

244004742561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222128.

The product of its (nonzero) digits is 215040, while the sum is 39.

The spelling of 244004742561 in words is "two hundred forty-four billion, four million, seven hundred forty-two thousand, five hundred sixty-one".

Divisors: 1 3 389 947 1167 2841 220789 368383 662367 1105149 85886921 209087183 257660763 627261549 81334914187 244004742561