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61244003242 = 21712717877937
BaseRepresentation
bin111001000010011011…
…010101001110101010
312212002012101201101101
4321002123111032222
52000411431100432
644045103312014
74265453303212
oct710233251652
9185065351341
1061244003242
1123a78709114
12ba525ab60a
135a103ba396
142d6db99242
1518d6a814e7
hexe426d53aa

61244003242 has 32 divisors (see below), whose sum is σ = 98103011328. Its totient is φ = 28574171136.

The previous prime is 61244003239. The next prime is 61244003281. The reversal of 61244003242 is 24230044216.

61244003242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×612440032422 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61244003242.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7712298 + ... + 7720234.

It is an arithmetic number, because the mean of its divisors is an integer number (3065719104).

Almost surely, 261244003242 is an apocalyptic number.

61244003242 is a deficient number, since it is larger than the sum of its proper divisors (36859008086).

61244003242 is a wasteful number, since it uses less digits than its factorization.

61244003242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9870.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 61244003242 its reverse (24230044216), we get a palindrome (85474047458).

The spelling of 61244003242 in words is "sixty-one billion, two hundred forty-four million, three thousand, two hundred forty-two".

Divisors: 1 2 17 34 127 254 1787 2159 3574 4318 7937 15874 30379 60758 134929 226949 269858 453898 1007999 2015998 3858133 7716266 14183419 17135983 28366838 34271966 241118123 482236246 1801294213 3602588426 30622001621 61244003242