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42240002660 = 22561107323579
BaseRepresentation
bin100111010101101100…
…110100101001100100
311001000210000110110222
4213111230310221210
51143001420041120
631223233503512
73023514045542
oct472554645144
9131023013428
1042240002660
1116a06420209
12822a111b98
133ca217ba1b
142089c9cd92
1511734a6525
hex9d5b34a64

42240002660 has 48 divisors (see below), whose sum is σ = 91001050560. Its totient is φ = 16463648640.

The previous prime is 42240002657. The next prime is 42240002669. The reversal of 42240002660 is 6620004224.

42240002660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42240002669) 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, 31250 + ... + 292329.

It is an arithmetic number, because the mean of its divisors is an integer number (1895855220).

Almost surely, 242240002660 is an apocalyptic number.

It is an amenable number.

42240002660 is an abundant number, since it is smaller than the sum of its proper divisors (48761047900).

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

42240002660 is a wasteful number, since it uses less digits than its factorization.

42240002660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323756 (or 323754 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 42240002660 its reverse (6620004224), we get a palindrome (48860006884).

The spelling of 42240002660 in words is "forty-two billion, two hundred forty million, two thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 61 107 122 214 244 305 428 535 610 1070 1220 2140 6527 13054 26108 32635 65270 130540 323579 647158 1294316 1617895 3235790 6471580 19738319 34622953 39476638 69245906 78953276 98691595 138491812 173114765 197383190 346229530 394766380 692459060 2112000133 4224000266 8448000532 10560000665 21120001330 42240002660