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49920970312 = 236240121289
BaseRepresentation
bin101110011111100001…
…011000111001001000
311202212002010001021101
4232133201120321020
51304214232022222
634533335351144
73415042150333
oct563741307110
9152762101241
1049920970312
111a1980a4964
1298125224b4
13492758c1b5
1425b803b61a
151472983927
hexb9f858e48

49920970312 has 8 divisors (see below), whose sum is σ = 93601819350. Its totient is φ = 24960485152.

The previous prime is 49920970289. The next prime is 49920970313. The reversal of 49920970312 is 21307902994.

It is a happy number.

49920970312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 47841063076 + 2079907236 = 218726^2 + 45606^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (49920970313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3120060637 + ... + 3120060652.

Almost surely, 249920970312 is an apocalyptic number.

It is an amenable number.

49920970312 is a deficient number, since it is larger than the sum of its proper divisors (43680849038).

49920970312 is a wasteful number, since it uses less digits than its factorization.

49920970312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6240121295 (or 6240121291 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 49920970312 in words is "forty-nine billion, nine hundred twenty million, nine hundred seventy thousand, three hundred twelve".

Divisors: 1 2 4 8 6240121289 12480242578 24960485156 49920970312