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1513027768 = 237236789197
BaseRepresentation
bin101101000101110…
…1111100010111000
310220110000202220111
41122023233202320
511044313342033
6410045234104
752331344450
oct13213574270
93813022814
101513027768
1170707917a
12362862934
131b1604005
14104d34d60
158cc6e7cd
hex5a2ef8b8

1513027768 has 128 divisors (see below), whose sum is σ = 3489868800. Its totient is φ = 601058304.

The previous prime is 1513027753. The next prime is 1513027771. The reversal of 1513027768 is 8677203151.

It is a self number, because there is not a number n which added to its sum of digits gives 1513027768.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7680246 + ... + 7680442.

It is an arithmetic number, because the mean of its divisors is an integer number (27264600).

Almost surely, 21513027768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1513027768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1744934400).

1513027768 is an abundant number, since it is smaller than the sum of its proper divisors (1976841032).

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

1513027768 is a wasteful number, since it uses less digits than its factorization.

1513027768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 1513027768 is about 38897.6576158514. The cubic root of 1513027768 is about 1148.0187102132.

The spelling of 1513027768 in words is "one billion, five hundred thirteen million, twenty-seven thousand, seven hundred sixty-eight".

Divisors: 1 2 4 7 8 14 23 28 46 56 67 89 92 134 161 178 184 197 268 322 356 394 469 536 623 644 712 788 938 1246 1288 1379 1541 1576 1876 2047 2492 2758 3082 3752 4094 4531 4984 5516 5963 6164 8188 9062 10787 11032 11926 12328 13199 14329 16376 17533 18124 21574 23852 26398 28658 31717 35066 36248 41741 43148 47704 52796 57316 63434 70132 83482 86296 92393 105592 114632 122731 126868 137149 140264 166964 184786 245462 253736 274298 303577 333928 369572 403259 490924 548596 607154 739144 806518 960043 981848 1097192 1174711 1214308 1613036 1920086 2125039 2349422 2428616 2822813 3226072 3840172 4250078 4698844 5645626 7680344 8222977 8500156 9397688 11291252 16445954 17000312 22582504 27018353 32891908 54036706 65783816 108073412 189128471 216146824 378256942 756513884 1513027768