Search a number
-
+
51301543340 = 225137149125659
BaseRepresentation
bin101111110001110011…
…110110110110101100
311220102021220102102202
4233301303312312230
51320031143341330
635322334041032
73464204631515
oct576163666654
9156367812382
1051301543340
111a836424903
129b38949178
134ab75c8308
1426a9533a0c
151503c8c445
hexbf1cf6dac

51301543340 has 48 divisors (see below), whose sum is σ = 109248804000. Its totient is φ = 20233953792.

The previous prime is 51301543277. The next prime is 51301543361. The reversal of 51301543340 is 4334510315.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345431 + ... + 471089.

It is an arithmetic number, because the mean of its divisors is an integer number (2276016750).

Almost surely, 251301543340 is an apocalyptic number.

It is an amenable number.

51301543340 is an abundant number, since it is smaller than the sum of its proper divisors (57947260660).

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

51301543340 is a wasteful number, since it uses less digits than its factorization.

51301543340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125954 (or 125952 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 51301543340 in words is "fifty-one billion, three hundred one million, five hundred forty-three thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 137 149 274 298 548 596 685 745 1370 1490 2740 2980 20413 40826 81652 102065 125659 204130 251318 408260 502636 628295 1256590 2513180 17215283 18723191 34430566 37446382 68861132 74892764 86076415 93615955 172152830 187231910 344305660 374463820 2565077167 5130154334 10260308668 12825385835 25650771670 51301543340