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125748147901 is a prime number
BaseRepresentation
bin111010100011100101…
…1000111011010111101
3110000120121022210001011
41311013023013122331
54030013011213101
6133433511115221
712041104423045
oct1650713073275
9400517283034
10125748147901
1149369607782
1220454972b11
13bb2004270c
14612c916725
15340e940751
hex1d472c76bd

125748147901 has 2 divisors, whose sum is σ = 125748147902. Its totient is φ = 125748147900.

The previous prime is 125748147883. The next prime is 125748147913. The reversal of 125748147901 is 109741847521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75433171801 + 50314976100 = 274651^2 + 224310^2 .

It is a cyclic number.

It is not a de Polignac number, because 125748147901 - 213 = 125748139709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125748147961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62874073950 + 62874073951.

It is an arithmetic number, because the mean of its divisors is an integer number (62874073951).

Almost surely, 2125748147901 is an apocalyptic number.

It is an amenable number.

125748147901 is a deficient number, since it is larger than the sum of its proper divisors (1).

125748147901 is an equidigital number, since it uses as much as digits as its factorization.

125748147901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 49.

The spelling of 125748147901 in words is "one hundred twenty-five billion, seven hundred forty-eight million, one hundred forty-seven thousand, nine hundred one".