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61849250848 = 2571125101157
BaseRepresentation
bin111001100110100000…
…001010110000100000
312220122101021111000101
4321212200022300200
52003131402011343
644225124032144
74316452646410
oct714640126040
9186571244011
1061849250848
1124259320650
12bba1232654
135aa8902668
142dca30a640
15191ec88e4d
hexe6680ac20

61849250848 has 48 divisors (see below), whose sum is σ = 151811803584. Its totient is φ = 24097109760.

The previous prime is 61849250831. The next prime is 61849250857. The reversal of 61849250848 is 84805294816.

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 7 ways as a sum of consecutive naturals, for example, 12548115 + ... + 12553042.

It is an arithmetic number, because the mean of its divisors is an integer number (3162745908).

Almost surely, 261849250848 is an apocalyptic number.

It is an amenable number.

61849250848 is an abundant number, since it is smaller than the sum of its proper divisors (89962552736).

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

61849250848 is a wasteful number, since it uses less digits than its factorization.

61849250848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25101185 (or 25101177 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 55.

The spelling of 61849250848 in words is "sixty-one billion, eight hundred forty-nine million, two hundred fifty thousand, eight hundred forty-eight".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 77 88 112 154 176 224 308 352 616 1232 2464 25101157 50202314 100404628 175708099 200809256 276112727 351416198 401618512 552225454 702832396 803237024 1104450908 1405664792 1932789089 2208901816 2811329584 3865578178 4417803632 5622659168 7731156356 8835607264 15462312712 30924625424 61849250848