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51150450043 = 71153112311161
BaseRepresentation
bin101111101000110011…
…011110110101111011
311220000202121002101201
4233220303132311323
51314224003400133
635255335355031
73460361436340
oct575063366573
9156022532351
1051150450043
111a769106210
129ab6222a77
134a922058b4
1426934427c7
1514e5893d7d
hexbe8cded7b

51150450043 has 32 divisors (see below), whose sum is σ = 65038920192. Its totient is φ = 39067142400.

The previous prime is 51150449969. The next prime is 51150450049. The reversal of 51150450043 is 34005405115.

It is not a de Polignac number, because 51150450043 - 225 = 51116895611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51150449993 and 51150450020.

It is not an unprimeable number, because it can be changed into a prime (51150450049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4577383 + ... + 4588543.

It is an arithmetic number, because the mean of its divisors is an integer number (2032466256).

Almost surely, 251150450043 is an apocalyptic number.

51150450043 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

51150450043 is a deficient number, since it is larger than the sum of its proper divisors (13888470149).

51150450043 is a wasteful number, since it uses less digits than its factorization.

51150450043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12355.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 51150450043 its reverse (34005405115), we get a palindrome (85155855158).

The spelling of 51150450043 in words is "fifty-one billion, one hundred fifty million, four hundred fifty thousand, forty-three".

Divisors: 1 7 11 53 77 371 583 1123 4081 7861 11161 12353 59519 78127 86471 122771 416633 591533 654709 859397 4140731 4582963 6506863 12533803 45548041 87736621 137871833 664291559 965102831 4650040913 7307207149 51150450043