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387642474542 = 2577335912023
BaseRepresentation
bin1011010010000010100…
…10101100000000101110
31101001120110201000220202
411221001102230000232
522322342433141132
6454025215313502
740002066445001
oct5510122540056
91331513630822
10387642474542
1113a442086644
126316481b892
132a7293b71bb
1414a94cb9538
15a13baa4762
hex5a414ac02e

387642474542 has 8 divisors (see below), whose sum is σ = 582471449616. Its totient is φ = 193485324672.

The previous prime is 387642474533. The next prime is 387642474553. The reversal of 387642474542 is 245474246783.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167954858 + ... + 167957165.

It is an arithmetic number, because the mean of its divisors is an integer number (72808931202).

Almost surely, 2387642474542 is an apocalyptic number.

387642474542 is a deficient number, since it is larger than the sum of its proper divisors (194828975074).

387642474542 is a wasteful number, since it uses less digits than its factorization.

387642474542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335912602.

The product of its digits is 36126720, while the sum is 56.

The spelling of 387642474542 in words is "three hundred eighty-seven billion, six hundred forty-two million, four hundred seventy-four thousand, five hundred forty-two".

Divisors: 1 2 577 1154 335912023 671824046 193821237271 387642474542