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13002906320 = 245296918111
BaseRepresentation
bin11000001110000100…
…01001101011010000
31020120012021002011222
430013002021223100
5203112221000240
65550133224212
7640136610605
oct140702115320
936505232158
1013002906320
11557288aa78
12262a792068
1312c2b7b811
148b4cc46ac
15511827eb5
hex307089ad0

13002906320 has 80 divisors (see below), whose sum is σ = 31323352320. Its totient is φ = 5013926400.

The previous prime is 13002906317. The next prime is 13002906359. The reversal of 13002906320 is 2360920031.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 13002906320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1599065 + ... + 1607175.

It is an arithmetic number, because the mean of its divisors is an integer number (391541904).

Almost surely, 213002906320 is an apocalyptic number.

13002906320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13002906320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15661676160).

13002906320 is an abundant number, since it is smaller than the sum of its proper divisors (18320446000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13002906320 is a wasteful number, since it uses less digits than its factorization.

13002906320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8844 (or 8838 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 13002906320 in words is "thirteen billion, two million, nine hundred six thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 29 40 58 80 116 145 232 290 464 580 691 1160 1382 2320 2764 3455 5528 6910 8111 11056 13820 16222 20039 27640 32444 40078 40555 55280 64888 80156 81110 100195 129776 160312 162220 200390 235219 320624 324440 400780 470438 648880 801560 940876 1176095 1603120 1881752 2352190 3763504 4704380 5604701 9408760 11209402 18817520 22418804 28023505 44837608 56047010 89675216 112094020 162536329 224188040 325072658 448376080 650145316 812681645 1300290632 1625363290 2600581264 3250726580 6501453160 13002906320