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13000248962 = 26500124481
BaseRepresentation
bin11000001101110000…
…00000111010000010
31020120000021001222022
430012320000322002
5203111030431322
65550000241442
7640105202321
oct140670007202
936500231868
1013000248962
115571335508
122629910282
1312c245b10c
148b47d20b8
155114a0942
hex306e00e82

13000248962 has 4 divisors (see below), whose sum is σ = 19500373446. Its totient is φ = 6500124480.

The previous prime is 13000248949. The next prime is 13000248967. The reversal of 13000248962 is 26984200031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26984200031 = 127921097889.

It can be written as a sum of positive squares in only one way, i.e., 8523167041 + 4477081921 = 92321^2 + 66911^2 .

It is not an unprimeable number, because it can be changed into a prime (13000248967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3250062239 + ... + 3250062242.

Almost surely, 213000248962 is an apocalyptic number.

13000248962 is a deficient number, since it is larger than the sum of its proper divisors (6500124484).

13000248962 is an equidigital number, since it uses as much as digits as its factorization.

13000248962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6500124483.

The product of its (nonzero) digits is 20736, while the sum is 35.

Adding to 13000248962 its reverse (26984200031), we get a palindrome (39984448993).

The spelling of 13000248962 in words is "thirteen billion, two hundred forty-eight thousand, nine hundred sixty-two".

Divisors: 1 2 6500124481 13000248962