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75047091616 = 2571073131137
BaseRepresentation
bin100010111100100100…
…1111011110110100000
321011201011100020222201
41011321021323312200
52212144023412431
654250503342544
75264510516320
oct1057111736640
9234634306881
1075047091616
1129911143772
1212665151a54
1370ccc838b3
1438bd055280
151e4376a461
hex117927bda0

75047091616 has 48 divisors (see below), whose sum is σ = 170434103616. Its totient is φ = 31862439936.

The previous prime is 75047091593. The next prime is 75047091619. The reversal of 75047091616 is 61619074057.

It is not an unprimeable number, because it can be changed into a prime (75047091619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1541601 + ... + 1589536.

It is an arithmetic number, because the mean of its divisors is an integer number (3550710492).

Almost surely, 275047091616 is an apocalyptic number.

It is an amenable number.

75047091616 is an abundant number, since it is smaller than the sum of its proper divisors (95387012000).

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

75047091616 is a wasteful number, since it uses less digits than its factorization.

75047091616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131261 (or 3131253 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 75047091616 in words is "seventy-five billion, forty-seven million, ninety-one thousand, six hundred sixteen".

Divisors: 1 2 4 7 8 14 16 28 32 56 107 112 214 224 428 749 856 1498 1712 2996 3424 5992 11984 23968 3131137 6262274 12524548 21917959 25049096 43835918 50098192 87671836 100196384 175343672 335031659 350687344 670063318 701374688 1340126636 2345221613 2680253272 4690443226 5360506544 9380886452 10721013088 18761772904 37523545808 75047091616