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13123033301 = 7149284443
BaseRepresentation
bin11000011100011000…
…11001100011010101
31020212120022011102102
430032030121203111
5203333444031201
610010104051445
7643125641210
oct141614314325
936776264372
1013123033301
115624679174
122662a63b85
131311a1b481
148c6c34777
1551c15626b
hex30e3198d5

13123033301 has 12 divisors (see below), whose sum is σ = 15099262752. Its totient is φ = 11172689904.

The previous prime is 13123033279. The next prime is 13123033307. The reversal of 13123033301 is 10333032131.

It is not a de Polignac number, because 13123033301 - 214 = 13123016917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123033307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113186 + ... + 197628.

It is an arithmetic number, because the mean of its divisors is an integer number (1258271896).

Almost surely, 213123033301 is an apocalyptic number.

It is an amenable number.

13123033301 is a deficient number, since it is larger than the sum of its proper divisors (1976229451).

13123033301 is an frugal number, since it uses more digits than its factorization.

13123033301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84748 (or 84599 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 13123033301 its reverse (10333032131), we get a palindrome (23456065432).

The spelling of 13123033301 in words is "thirteen billion, one hundred twenty-three million, thirty-three thousand, three hundred one".

Divisors: 1 7 149 1043 22201 84443 155407 591101 12582007 88074049 1874719043 13123033301