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140523747324881 is a prime number
BaseRepresentation
bin11111111100111000111100…
…000010101011001111010001
3200102112221100120020100102212
4133330320330002223033101
5121404320113303344011
61214511415053521505
741412335313062654
oct3774707402531721
9612487316210385
10140523747324881
1140858871a11378
121391653a7a3295
1360544426b95ab
14269b55837589b
15113a529d4e08b
hex7fce3c0ab3d1

140523747324881 has 2 divisors, whose sum is σ = 140523747324882. Its totient is φ = 140523747324880.

The previous prime is 140523747324869. The next prime is 140523747325057. The reversal of 140523747324881 is 188423747325041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138940818483856 + 1582928841025 = 11787316^2 + 1258145^2 .

It is a cyclic number.

It is not a de Polignac number, because 140523747324881 - 242 = 136125700813777 is a prime.

It is a super-2 number, since 2×1405237473248812 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140523747324881.

It is not a weakly prime, because it can be changed into another prime (140523747324281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70261873662440 + 70261873662441.

It is an arithmetic number, because the mean of its divisors is an integer number (70261873662441).

Almost surely, 2140523747324881 is an apocalyptic number.

It is an amenable number.

140523747324881 is a deficient number, since it is larger than the sum of its proper divisors (1).

140523747324881 is an equidigital number, since it uses as much as digits as its factorization.

140523747324881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36126720, while the sum is 59.

The spelling of 140523747324881 in words is "one hundred forty trillion, five hundred twenty-three billion, seven hundred forty-seven million, three hundred twenty-four thousand, eight hundred eighty-one".