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390120000012 = 223283233560353
BaseRepresentation
bin1011010110101001111…
…01101100101000001100
31101021222010121100221100
411223110331230220030
522342431210000022
6455115121303100
740120352200221
oct5532475545014
91337863540840
10390120000012
111404a362a156
1263736494a90
132aa32777ac2
1414c4bd59948
15a2343411ac
hex5ad4f6ca0c

390120000012 has 72 divisors (see below), whose sum is σ = 1002302958384. Its totient is φ = 127921637376.

The previous prime is 390120000007. The next prime is 390120000047. The reversal of 390120000012 is 210000021093.

It is a happy number.

390120000012 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3901200000122 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 390120000012.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 416028 + ... + 976380.

It is an arithmetic number, because the mean of its divisors is an integer number (13920874422).

Almost surely, 2390120000012 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 390120000012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501151479192).

390120000012 is an abundant number, since it is smaller than the sum of its proper divisors (612182958372).

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

390120000012 is a wasteful number, since it uses less digits than its factorization.

390120000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560679 (or 560674 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The spelling of 390120000012 in words is "three hundred ninety billion, one hundred twenty million, twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 9 12 18 36 83 166 233 249 332 466 498 699 747 932 996 1398 1494 2097 2796 2988 4194 8388 19339 38678 58017 77356 116034 174051 232068 348102 560353 696204 1120706 1681059 2241412 3362118 5043177 6724236 10086354 20172708 46509299 93018598 130562249 139527897 186037196 261124498 279055794 391686747 418583691 522248996 558111588 783373494 837167382 1175060241 1566746988 1674334764 2350120482 4700240964 10836666667 21673333334 32510000001 43346666668 65020000002 97530000003 130040000004 195060000006 390120000012