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235145115481 is a prime number
BaseRepresentation
bin1101101011111110111…
…1011011011101011001
3211110221200000112110011
43122333233123131121
512323034122143411
6300005115521521
722663054334353
oct3327757333531
9743850015404
10235145115481
11907a7318691
12396a57592a1
13192356216b3
14b5499a40d3
1561b3b1bc21
hex36bfbdb759

235145115481 has 2 divisors, whose sum is σ = 235145115482. Its totient is φ = 235145115480.

The previous prime is 235145115437. The next prime is 235145115487. The reversal of 235145115481 is 184511541532.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154304409856 + 80840705625 = 392816^2 + 284325^2 .

It is a cyclic number.

It is not a de Polignac number, because 235145115481 - 29 = 235145114969 is a prime.

It is a super-2 number, since 2×2351451154812 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (235145115487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117572557740 + 117572557741.

It is an arithmetic number, because the mean of its divisors is an integer number (117572557741).

Almost surely, 2235145115481 is an apocalyptic number.

It is an amenable number.

235145115481 is a deficient number, since it is larger than the sum of its proper divisors (1).

235145115481 is an equidigital number, since it uses as much as digits as its factorization.

235145115481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96000, while the sum is 40.

The spelling of 235145115481 in words is "two hundred thirty-five billion, one hundred forty-five million, one hundred fifteen thousand, four hundred eighty-one".