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40870048147 = 130731270121
BaseRepresentation
bin100110000100000010…
…110111000110010011
310220111022012120011221
4212010002313012103
51132200213020042
630435254545511
72644540451215
oct460402670623
9126438176157
1040870048147
11163730930a5
127b07368297
133b143bcb56
141d99d6c5b5
1510e3098d67
hex9840b7193

40870048147 has 4 divisors (see below), whose sum is σ = 40901319576. Its totient is φ = 40838776720.

The previous prime is 40870048123. The next prime is 40870048199. The reversal of 40870048147 is 74184007804.

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

It is a cyclic number.

It is not a de Polignac number, because 40870048147 - 219 = 40869523859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40870048117) 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, 15633754 + ... + 15636367.

It is an arithmetic number, because the mean of its divisors is an integer number (10225329894).

Almost surely, 240870048147 is an apocalyptic number.

40870048147 is a deficient number, since it is larger than the sum of its proper divisors (31271429).

40870048147 is a wasteful number, since it uses less digits than its factorization.

40870048147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31271428.

The product of its (nonzero) digits is 200704, while the sum is 43.

The spelling of 40870048147 in words is "forty billion, eight hundred seventy million, forty-eight thousand, one hundred forty-seven".

Divisors: 1 1307 31270121 40870048147