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130152561 = 371121723131
BaseRepresentation
bin1111100000111…
…11100001110001
3100001220102202020
413300133201301
5231304340221
620525342053
73140164350
oct760374161
9301812666
10130152561
1167516600
1237707929
1320c70066
14133dd997
15b65dac6
hex7c1f871

130152561 has 96 divisors (see below), whose sum is σ = 242694144. Its totient is φ = 60403200.

The previous prime is 130152559. The next prime is 130152613. The reversal of 130152561 is 165251031.

It is not a de Polignac number, because 130152561 - 21 = 130152559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130152161) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 993466 + ... + 993596.

It is an arithmetic number, because the mean of its divisors is an integer number (2528064).

Almost surely, 2130152561 is an apocalyptic number.

130152561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

130152561 is a deficient number, since it is larger than the sum of its proper divisors (112541583).

130152561 is a wasteful number, since it uses less digits than its factorization.

130152561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 130152561 is about 11408.4425317394. The cubic root of 130152561 is about 506.7777893290. Note that the first 4 decimals are identical.

It can be divided in two parts, 13015 and 2561, that added together give a triangular number (15576 = T176).

The spelling of 130152561 in words is "one hundred thirty million, one hundred fifty-two thousand, five hundred sixty-one".

Divisors: 1 3 7 11 17 21 23 33 51 69 77 119 121 131 161 187 231 253 357 363 391 393 483 561 759 847 917 1173 1309 1441 1771 2057 2227 2541 2737 2751 2783 3013 3927 4301 4323 5313 6171 6681 8211 8349 9039 10087 12903 14399 15589 15851 19481 21091 24497 30107 30261 33143 43197 46767 47311 47553 51221 58443 63273 73491 90321 99429 110957 141933 153663 171479 232001 269467 331177 332871 358547 364573 514437 563431 696003 808401 993531 1075641 1093719 1690293 1886269 2552011 3944017 5658807 6197741 7656033 11832051 18593223 43384187 130152561