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48706578091 = 77509628399
BaseRepresentation
bin101101010111001000…
…110110011010101011
311122201110000112022201
4231113020312122223
51244222340444331
634213035001031
73342665040253
oct552710663253
9148643015281
1048706578091
1119724659026
129533899177
134792ac8c12
142500a42963
151401053a61
hexb572366ab

48706578091 has 4 divisors (see below), whose sum is σ = 48707284000. Its totient is φ = 48705872184.

The previous prime is 48706578029. The next prime is 48706578113. The reversal of 48706578091 is 19087560784.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48706578091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48706578391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236691 + ... + 391708.

It is an arithmetic number, because the mean of its divisors is an integer number (12176821000).

Almost surely, 248706578091 is an apocalyptic number.

48706578091 is a deficient number, since it is larger than the sum of its proper divisors (705909).

48706578091 is an equidigital number, since it uses as much as digits as its factorization.

48706578091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705908.

The product of its (nonzero) digits is 3386880, while the sum is 55.

The spelling of 48706578091 in words is "forty-eight billion, seven hundred six million, five hundred seventy-eight thousand, ninety-one".

Divisors: 1 77509 628399 48706578091