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1970542047 = 36091107839
BaseRepresentation
bin111010101110100…
…0001010111011111
312002022220220111210
41311131001113133
513013424321142
6523311315503
766555221355
oct16535012737
95068826453
101970542047
11921357451
1246bb1bb93
13255332016
141499cb7d5
15b7ee449c
hex757415df

1970542047 has 8 divisors (see below), whose sum is σ = 2627845120. Its totient is φ = 1313466840.

The previous prime is 1970542039. The next prime is 1970542061. The reversal of 1970542047 is 7402450791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1970542047 - 23 = 1970542039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1970541996 and 1970542014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970542087) 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 7 ways as a sum of consecutive naturals, for example, 35647 + ... + 72192.

It is an arithmetic number, because the mean of its divisors is an integer number (328480640).

Almost surely, 21970542047 is an apocalyptic number.

1970542047 is a deficient number, since it is larger than the sum of its proper divisors (657303073).

1970542047 is a wasteful number, since it uses less digits than its factorization.

1970542047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113933.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 1970542047 is about 44390.7878618977. The cubic root of 1970542047 is about 1253.7046463231.

The spelling of 1970542047 in words is "one billion, nine hundred seventy million, five hundred forty-two thousand, forty-seven".

Divisors: 1 3 6091 18273 107839 323517 656847349 1970542047