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2507700149 is a prime number
BaseRepresentation
bin1001010101111000…
…0111011110110101
320110202200100220022
42111132013132311
520113432401044
61052500414525
7116100046103
oct22536073665
96422610808
102507700149
111077593269
1259b9a7445
1330c6c7256
1419b096c73
15ea24c3ee
hex957877b5

2507700149 has 2 divisors, whose sum is σ = 2507700150. Its totient is φ = 2507700148.

The previous prime is 2507700127. The next prime is 2507700193. The reversal of 2507700149 is 9410077052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1541112049 + 966588100 = 39257^2 + 31090^2 .

It is a cyclic number.

It is not a de Polignac number, because 2507700149 - 228 = 2239264693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2507700449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253850074 + 1253850075.

It is an arithmetic number, because the mean of its divisors is an integer number (1253850075).

Almost surely, 22507700149 is an apocalyptic number.

It is an amenable number.

2507700149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2507700149 is an equidigital number, since it uses as much as digits as its factorization.

2507700149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 2507700149 is about 50076.9422888419. The cubic root of 2507700149 is about 1358.6008081331.

The spelling of 2507700149 in words is "two billion, five hundred seven million, seven hundred thousand, one hundred forty-nine".