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42003125151205 = 58400625030241
BaseRepresentation
bin10011000110011100111010…
…10110101010010111100101
312111201110102000021222210111
421203032131112222113211
521001134400014314310
6225155545212053021
711563424411641561
oct1143163526522745
9174643360258714
1042003125151205
1112424475146249
1248645a1764171
131a58b54421b1a
14a52d6802c6a1
154cc8e726028a
hex26339d5aa5e5

42003125151205 has 4 divisors (see below), whose sum is σ = 50403750181452. Its totient is φ = 33602500120960.

The previous prime is 42003125151067. The next prime is 42003125151259. The reversal of 42003125151205 is 50215152130024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13773020284804 + 28230104866401 = 3711202^2 + 5313201^2 .

It is not a de Polignac number, because 42003125151205 - 217 = 42003125020133 is a prime.

It is a super-2 number, since 2×420031251512052 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4200312515116 + ... + 4200312515125.

It is an arithmetic number, because the mean of its divisors is an integer number (12600937545363).

Almost surely, 242003125151205 is an apocalyptic number.

It is an amenable number.

42003125151205 is a deficient number, since it is larger than the sum of its proper divisors (8400625030247).

42003125151205 is an equidigital number, since it uses as much as digits as its factorization.

42003125151205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8400625030246.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 42003125151205 its reverse (50215152130024), we get a palindrome (92218277281229).

The spelling of 42003125151205 in words is "forty-two trillion, three billion, one hundred twenty-five million, one hundred fifty-one thousand, two hundred five".

Divisors: 1 5 8400625030241 42003125151205