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51143354024 = 2372339707573
BaseRepresentation
bin101111101000011000…
…011010011010101000
311220000021020120111012
4233220120122122220
51314220144312044
635254523323052
73460244223260
oct575030323250
9156007216435
1051143354024
111a7650a9934
129ab3980488
134a908bca79
1426925167a0
1514e4e4159e
hexbe861a6a8

51143354024 has 32 divisors (see below), whose sum is σ = 114357813120. Its totient is φ = 20965598016.

The previous prime is 51143354023. The next prime is 51143354029. The reversal of 51143354024 is 42045334115.

It is not an unprimeable number, because it can be changed into a prime (51143354023) 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 7 ways as a sum of consecutive naturals, for example, 19852499 + ... + 19855074.

It is an arithmetic number, because the mean of its divisors is an integer number (3573681660).

Almost surely, 251143354024 is an apocalyptic number.

It is an amenable number.

51143354024 is an abundant number, since it is smaller than the sum of its proper divisors (63214459096).

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

51143354024 is a wasteful number, since it uses less digits than its factorization.

51143354024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39707609 (or 39707605 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 51143354024 its reverse (42045334115), we get a palindrome (93188688139).

The spelling of 51143354024 in words is "fifty-one billion, one hundred forty-three million, three hundred fifty-four thousand, twenty-four".

Divisors: 1 2 4 7 8 14 23 28 46 56 92 161 184 322 644 1288 39707573 79415146 158830292 277953011 317660584 555906022 913274179 1111812044 1826548358 2223624088 3653096716 6392919253 7306193432 12785838506 25571677012 51143354024