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11678499560 = 2357133208379
BaseRepresentation
bin10101110000001011…
…11100001011101000
31010010220011020122202
422320011330023220
5142404143441220
65210502435332
7562255415450
oct127005741350
933126136582
1011678499560
114a53232632
12231b132b48
131141679690
147cb04cd60
15485416275
hex2b817c2e8

11678499560 has 64 divisors (see below), whose sum is σ = 32340470400. Its totient is φ = 3696051456.

The previous prime is 11678499523. The next prime is 11678499601. The reversal of 11678499560 is 6599487611.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 11678499496 and 11678499505.

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, 1600550 + ... + 1607829.

It is an arithmetic number, because the mean of its divisors is an integer number (505319850).

Almost surely, 211678499560 is an apocalyptic number.

11678499560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11678499560 is an abundant number, since it is smaller than the sum of its proper divisors (20661970840).

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

11678499560 is a wasteful number, since it uses less digits than its factorization.

11678499560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208410 (or 3208406 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 11678499560 in words is "eleven billion, six hundred seventy-eight million, four hundred ninety-nine thousand, five hundred sixty".

Divisors: 1 2 4 5 7 8 10 13 14 20 26 28 35 40 52 56 65 70 91 104 130 140 182 260 280 364 455 520 728 910 1820 3640 3208379 6416758 12833516 16041895 22458653 25667032 32083790 41708927 44917306 64167580 83417854 89834612 112293265 128335160 166835708 179669224 208544635 224586530 291962489 333671416 417089270 449173060 583924978 834178540 898346120 1167849956 1459812445 1668357080 2335699912 2919624890 5839249780 11678499560