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13066606740 = 223511107185027
BaseRepresentation
bin11000010101101010…
…01001100010010100
31020201122010101201210
430022311021202110
5203230022403430
610000330421420
7641542216245
oct141265114224
936648111653
1013066606740
1155a5839050
122647b91870
131303122b85
148bd546ccc
1551720c2b0
hex30ad49894

13066606740 has 96 divisors (see below), whose sum is σ = 40285776384. Its totient is φ = 3138040960.

The previous prime is 13066606673. The next prime is 13066606747. The reversal of 13066606740 is 4760666031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13066606747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21894 + ... + 163133.

It is an arithmetic number, because the mean of its divisors is an integer number (419643504).

Almost surely, 213066606740 is an apocalyptic number.

13066606740 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 13066606740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20142888192).

13066606740 is an abundant number, since it is smaller than the sum of its proper divisors (27219169644).

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

13066606740 is a wasteful number, since it uses less digits than its factorization.

13066606740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185157 (or 185155 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 13066606740 in words is "thirteen billion, sixty-six million, six hundred six thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 107 110 132 165 214 220 321 330 428 535 642 660 1070 1177 1284 1605 2140 2354 3210 3531 4708 5885 6420 7062 11770 14124 17655 23540 35310 70620 185027 370054 555081 740108 925135 1110162 1850270 2035297 2220324 2775405 3700540 4070594 5550810 6105891 8141188 10176485 11101620 12211782 19797889 20352970 24423564 30529455 39595778 40705940 59393667 61058910 79191556 98989445 118787334 122117820 197978890 217776779 237574668 296968335 395957780 435553558 593936670 653330337 871107116 1088883895 1187873340 1306660674 2177767790 2613321348 3266651685 4355535580 6533303370 13066606740