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42797685995161 = 192712969562399
BaseRepresentation
bin10011011101100100111001…
…10111101111011010011001
312121112102022022200222101021
421232302130313233122121
521102144130103321121
6231004552512322441
712005013361453036
oct1156623467573231
9177472268628337
1042797685995161
1112700440013559
12497258a543421
131ab5a5c56b966
14a7d5c1c5838d
154e33ecca0641
hex26ec9cdef699

42797685995161 has 24 divisors (see below), whose sum is σ = 45820437696000. Its totient is φ = 39960582500160.

The previous prime is 42797685995089. The next prime is 42797685995171. The reversal of 42797685995161 is 16159958679724.

It is not a de Polignac number, because 42797685995161 - 213 = 42797685986969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42797685995171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75817240 + ... + 76379638.

It is an arithmetic number, because the mean of its divisors is an integer number (1909184904000).

Almost surely, 242797685995161 is an apocalyptic number.

It is an amenable number.

42797685995161 is a deficient number, since it is larger than the sum of its proper divisors (3022751700839).

42797685995161 is a wasteful number, since it uses less digits than its factorization.

42797685995161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565477 (or 565458 counting only the distinct ones).

The product of its digits is 2057529600, while the sum is 79.

The spelling of 42797685995161 in words is "forty-two trillion, seven hundred ninety-seven billion, six hundred eighty-five million, nine hundred ninety-five thousand, one hundred sixty-one".

Divisors: 1 19 71 361 1349 2969 25631 56411 210799 562399 1071809 4005181 10685581 39930329 76098439 203026039 758676251 1669762631 14414848769 31725489989 118553146801 602784309791 2252509789219 42797685995161