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130121152 = 2671272287
BaseRepresentation
bin1111100000101…
…11110111000000
3100001211211122221
413300113313000
5231302334102
620524540424
73140003650
oct760276700
9301754587
10130121152
11674a4a47
12376b1714
1320c5b985
14133d2360
15b654637
hex7c17dc0

130121152 has 56 divisors (see below), whose sum is σ = 297549824. Its totient is φ = 55302912.

The previous prime is 130121149. The next prime is 130121191. The reversal of 130121152 is 251121031.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55753 + ... + 58039.

Almost surely, 2130121152 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 130121152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148774912).

130121152 is an abundant number, since it is smaller than the sum of its proper divisors (167428672).

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

130121152 is a wasteful number, since it uses less digits than its factorization.

130121152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433 (or 2423 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 130121152 is about 11407.0658804094. The cubic root of 130121152 is about 506.7370200859.

Adding to 130121152 its reverse (251121031), we get a palindrome (381242183).

The spelling of 130121152 in words is "one hundred thirty million, one hundred twenty-one thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 127 224 254 448 508 889 1016 1778 2032 2287 3556 4064 4574 7112 8128 9148 14224 16009 18296 28448 32018 36592 56896 64036 73184 128072 146368 256144 290449 512288 580898 1024576 1161796 2033143 2323592 4066286 4647184 8132572 9294368 16265144 18588736 32530288 65060576 130121152