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69042740015 = 5118671163609
BaseRepresentation
bin100000001001101000…
…1001001101100101111
320121012201002121001002
41000103101021230233
52112344420140030
651415013310515
74662641415134
oct1002321115457
9217181077032
1069042740015
112730a910517
121146a33543b
136684023222
1434ad83258b
151be1573245
hex1013449b2f

69042740015 has 8 divisors (see below), whose sum is σ = 82858340880. Its totient is φ = 55229490112.

The previous prime is 69042739943. The next prime is 69042740051. The reversal of 69042740015 is 51004724096.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-69042740015 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522470 + ... + 641139.

It is an arithmetic number, because the mean of its divisors is an integer number (10357292610).

Almost surely, 269042740015 is an apocalyptic number.

69042740015 is a deficient number, since it is larger than the sum of its proper divisors (13815600865).

69042740015 is a wasteful number, since it uses less digits than its factorization.

69042740015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175481.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 69042740015 in words is "sixty-nine billion, forty-two million, seven hundred forty thousand, fifteen".

Divisors: 1 5 11867 59335 1163609 5818045 13808548003 69042740015