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13062988897 = 723292797813
BaseRepresentation
bin11000010101001110…
…10110010001100001
31020201101022120222121
430022213112101201
5203223111121042
610000121104241
7641466400510
oct141247262141
936641276877
1013062988897
1155a37979a2
122646928081
13130245723a
148bcc84677
15516c45367
hex30a9d6461

13062988897 has 16 divisors (see below), whose sum is σ = 16115408640. Its totient is φ = 10340713152.

The previous prime is 13062988891. The next prime is 13062988919. The reversal of 13062988897 is 79888926031.

It is a de Polignac number, because none of the positive numbers 2k-13062988897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13062988891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1394238 + ... + 1403575.

It is an arithmetic number, because the mean of its divisors is an integer number (1007213040).

Almost surely, 213062988897 is an apocalyptic number.

It is an amenable number.

13062988897 is a deficient number, since it is larger than the sum of its proper divisors (3052419743).

13062988897 is a wasteful number, since it uses less digits than its factorization.

13062988897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797872.

The product of its (nonzero) digits is 10450944, while the sum is 61.

The spelling of 13062988897 in words is "thirteen billion, sixty-two million, nine hundred eighty-eight thousand, eight hundred ninety-seven".

Divisors: 1 7 23 29 161 203 667 4669 2797813 19584691 64349699 81136577 450447893 567956039 1866141271 13062988897