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50752353001 = 77250336143
BaseRepresentation
bin101111010001000100…
…110111001011101001
311212000000111122220211
4233101010313023221
51312420100244001
635152035021121
73444455611510
oct572104671351
9155000448824
1050752353001
111a58441aa99
129a04a3a7a1
134a2a8ac50c
142656615677
1514c0959351
hexbd11372e9

50752353001 has 4 divisors (see below), whose sum is σ = 58002689152. Its totient is φ = 43502016852.

The previous prime is 50752352977. The next prime is 50752353011. The reversal of 50752353001 is 10035325705.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10035325705 = 52007065141.

It is not a de Polignac number, because 50752353001 - 25 = 50752352969 is a prime.

It is a super-2 number, since 2×507523530012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50752353011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3625168065 + ... + 3625168078.

It is an arithmetic number, because the mean of its divisors is an integer number (14500672288).

Almost surely, 250752353001 is an apocalyptic number.

It is an amenable number.

50752353001 is a deficient number, since it is larger than the sum of its proper divisors (7250336151).

50752353001 is an equidigital number, since it uses as much as digits as its factorization.

50752353001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7250336150.

The product of its (nonzero) digits is 15750, while the sum is 31.

Adding to 50752353001 its reverse (10035325705), we get a palindrome (60787678706).

The spelling of 50752353001 in words is "fifty billion, seven hundred fifty-two million, three hundred fifty-three thousand, one".

Divisors: 1 7 7250336143 50752353001