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13051263230 = 257643170761
BaseRepresentation
bin11000010011110101…
…00111100011111110
31020200120020212101122
430021322213203332
5203212110410410
65555021510542
7641264623055
oct141172474376
936616225348
1013051263230
115598109265
122642a12452
1312ccbb0085
148bb4b139c
15515bcae55
hex309ea78fe

13051263230 has 16 divisors (see below), whose sum is σ = 23495485104. Its totient is φ = 5219791680.

The previous prime is 13051263227. The next prime is 13051263241. The reversal of 13051263230 is 3236215031.

It is a self number, because there is not a number n which added to its sum of digits gives 13051263230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8951 + ... + 161810.

It is an arithmetic number, because the mean of its divisors is an integer number (1468467819).

Almost surely, 213051263230 is an apocalyptic number.

13051263230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13051263230 is a deficient number, since it is larger than the sum of its proper divisors (10444221874).

13051263230 is a wasteful number, since it uses less digits than its factorization.

13051263230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178411.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 13051263230 its reverse (3236215031), we get a palindrome (16287478261).

The spelling of 13051263230 in words is "thirteen billion, fifty-one million, two hundred sixty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 7643 15286 38215 76430 170761 341522 853805 1707610 1305126323 2610252646 6525631615 13051263230