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375452757021161 is a prime number
BaseRepresentation
bin101010101011110001110100…
…0001101100101000111101001
31211020100221012011220012201102
41111113203220031211013221
5343202404221244134121
63410304340534331145
7142040365216204511
oct12527435015450751
91736327164805642
10375452757021161
11a96a369033a336
12361393147b9ab5
13131660738106a1
1468a0020770841
152d615c3dae90b
hex15578e83651e9

375452757021161 has 2 divisors, whose sum is σ = 375452757021162. Its totient is φ = 375452757021160.

The previous prime is 375452757021143. The next prime is 375452757021169. The reversal of 375452757021161 is 161120757254573.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 322901348935936 + 52551408085225 = 17969456^2 + 7249235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-375452757021161 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 375452757021097 and 375452757021106.

It is not a weakly prime, because it can be changed into another prime (375452757021169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187726378510580 + 187726378510581.

It is an arithmetic number, because the mean of its divisors is an integer number (187726378510581).

Almost surely, 2375452757021161 is an apocalyptic number.

It is an amenable number.

375452757021161 is a deficient number, since it is larger than the sum of its proper divisors (1).

375452757021161 is an equidigital number, since it uses as much as digits as its factorization.

375452757021161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348000, while the sum is 56.

The spelling of 375452757021161 in words is "three hundred seventy-five trillion, four hundred fifty-two billion, seven hundred fifty-seven million, twenty-one thousand, one hundred sixty-one".