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140769984881 is a prime number
BaseRepresentation
bin1000001100011010001…
…0111000000101110001
3111110100111120011102202
42003012202320011301
54301244104004011
6144400245152545
713112261062121
oct2030642700561
9443314504382
10140769984881
1154777a94189
12233476bb755
1310375266056
146b559c2c81
1539dd61a23b
hex20c68b8171

140769984881 has 2 divisors, whose sum is σ = 140769984882. Its totient is φ = 140769984880.

The previous prime is 140769984841. The next prime is 140769985019. The reversal of 140769984881 is 188489967041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131478760000 + 9291224881 = 362600^2 + 96391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-140769984881 is a prime.

It is a super-2 number, since 2×1407699848812 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140769984841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70384992440 + 70384992441.

It is an arithmetic number, because the mean of its divisors is an integer number (70384992441).

Almost surely, 2140769984881 is an apocalyptic number.

It is an amenable number.

140769984881 is a deficient number, since it is larger than the sum of its proper divisors (1).

140769984881 is an equidigital number, since it uses as much as digits as its factorization.

140769984881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27869184, while the sum is 65.

The spelling of 140769984881 in words is "one hundred forty billion, seven hundred sixty-nine million, nine hundred eighty-four thousand, eight hundred eighty-one".