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130394871168 = 2738937910067
BaseRepresentation
bin111100101110000100…
…0111101010110000000
3110110120102221210000220
41321130020331112000
54114022041334133
6135522542343040
712264210055152
oct1713410752600
9413512853026
10130394871168
1150333561741
1221330b8aa80
13c3b093b803
14644dad6ad2
1535d28625b3
hex1e5c23d580

130394871168 has 128 divisors (see below), whose sum is σ = 351212112000. Its totient is φ = 42858934272.

The previous prime is 130394871161. The next prime is 130394871181. The reversal of 130394871168 is 861178493031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 130394871168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130394871161) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12947671 + ... + 12957737.

It is an arithmetic number, because the mean of its divisors is an integer number (2743844625).

Almost surely, 2130394871168 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 130394871168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175606056000).

130394871168 is an abundant number, since it is smaller than the sum of its proper divisors (220817240832).

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

130394871168 is a wasteful number, since it uses less digits than its factorization.

130394871168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10552 (or 10540 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 130394871168 in words is "one hundred thirty billion, three hundred ninety-four million, eight hundred seventy-one thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 89 96 128 178 192 267 356 379 384 534 712 758 1068 1137 1424 1516 2136 2274 2848 3032 4272 4548 5696 6064 8544 9096 10067 11392 12128 17088 18192 20134 24256 30201 33731 34176 36384 40268 48512 60402 67462 72768 80536 101193 120804 134924 145536 161072 202386 241608 269848 322144 404772 483216 539696 644288 809544 895963 966432 1079392 1288576 1619088 1791926 1932864 2158784 2687889 3238176 3583852 3815393 3865728 4317568 5375778 6476352 7167704 7630786 10751556 11446179 12952704 14335408 15261572 21503112 22892358 28670816 30523144 43006224 45784716 57341632 61046288 86012448 91569432 114683264 122092576 172024896 183138864 244185152 339569977 344049792 366277728 488370304 679139954 732555456 1018709931 1358279908 1465110912 2037419862 2716559816 4074839724 5433119632 8149679448 10866239264 16299358896 21732478528 32598717792 43464957056 65197435584 130394871168