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13530746560 = 265113383977
BaseRepresentation
bin11001001100111111…
…01100111011000000
31021220222111010212111
430212133230323000
5210202332342220
610114350505104
7656206306462
oct144637547300
937828433774
1013530746560
115813832181
122757505194
131378330816
14925046132
15542d4015a
hex3267ecec0

13530746560 has 112 divisors (see below), whose sum is σ = 32623451136. Its totient is φ = 5344919552.

The previous prime is 13530746549. The next prime is 13530746623. The reversal of 13530746560 is 6564703531.

It is a super-2 number, since 2×135307465602 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13848792 + ... + 13849768.

Almost surely, 213530746560 is an apocalyptic number.

13530746560 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 13530746560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16311725568).

13530746560 is an abundant number, since it is smaller than the sum of its proper divisors (19092704576).

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

13530746560 is a wasteful number, since it uses less digits than its factorization.

13530746560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 13530746560 in words is "thirteen billion, five hundred thirty million, seven hundred forty-six thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 113 160 226 320 383 452 565 766 904 977 1130 1532 1808 1915 1954 2260 3064 3616 3830 3908 4520 4885 6128 7232 7660 7816 9040 9770 12256 15320 15632 18080 19540 24512 30640 31264 36160 39080 43279 61280 62528 78160 86558 110401 122560 156320 173116 216395 220802 312640 346232 374191 432790 441604 552005 692464 748382 865580 883208 1104010 1384928 1496764 1731160 1766416 1870955 2208020 2769856 2993528 3462320 3532832 3741910 4416040 5987056 6924640 7065664 7483820 8832080 11974112 13849280 14967640 17664160 23948224 29935280 35328320 42283583 59870560 84567166 119741120 169134332 211417915 338268664 422835830 676537328 845671660 1353074656 1691343320 2706149312 3382686640 6765373280 13530746560