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61241475148 = 2273771832583
BaseRepresentation
bin111001000010010001…
…101100000001001100
312212002000122021111021
4321002101230001030
52000410304201043
644044533203524
74265422643530
oct710221540114
9185060567437
1061241475148
1123a77241787
12ba517905a4
135a0ca13779
142d6d6dbbc0
1518d67323ed
hexe4246c04c

61241475148 has 48 divisors (see below), whose sum is σ = 127565190144. Its totient is φ = 25177279680.

The previous prime is 61241475107. The next prime is 61241475161. The reversal of 61241475148 is 84157414216.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342736 + ... + 489847.

It is an arithmetic number, because the mean of its divisors is an integer number (2657608128).

Almost surely, 261241475148 is an apocalyptic number.

It is an amenable number.

61241475148 is an abundant number, since it is smaller than the sum of its proper divisors (66323714996).

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

61241475148 is a wasteful number, since it uses less digits than its factorization.

61241475148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832702 (or 832700 counting only the distinct ones).

The product of its digits is 215040, while the sum is 43.

The spelling of 61241475148 in words is "sixty-one billion, two hundred forty-one million, four hundred seventy-five thousand, one hundred forty-eight".

Divisors: 1 2 4 7 14 28 37 71 74 142 148 259 284 497 518 994 1036 1988 2627 5254 10508 18389 36778 73556 832583 1665166 3330332 5828081 11656162 23312324 30805571 59113393 61611142 118226786 123222284 215638997 236453572 413793751 431277994 827587502 862555988 1655175004 2187195541 4374391082 8748782164 15310368787 30620737574 61241475148