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69390081382 = 2313373321053
BaseRepresentation
bin100000010011111111…
…0001001110101100110
320122002220200100211011
41000213332021311212
52114102330101012
651513302132434
75004356650156
oct1004776116546
9218086610734
1069390081382
112747898a1a6
121154672111a
13670ac8826b
143503a0a766
151c11cd41a7
hex1027f89d66

69390081382 has 16 divisors (see below), whose sum is σ = 107761560192. Its totient is φ = 33476204160.

The previous prime is 69390081353. The next prime is 69390081473. The reversal of 69390081382 is 28318009396.

It is a congruent number.

It is an unprimeable number.

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, 1639633 + ... + 1681420.

It is an arithmetic number, because the mean of its divisors is an integer number (6735097512).

Almost surely, 269390081382 is an apocalyptic number.

69390081382 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

69390081382 is a deficient number, since it is larger than the sum of its proper divisors (38371478810).

69390081382 is a wasteful number, since it uses less digits than its factorization.

69390081382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321423.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 69390081382 in words is "sixty-nine billion, three hundred ninety million, eighty-one thousand, three hundred eighty-two".

Divisors: 1 2 31 62 337 674 10447 20894 3321053 6642106 102952643 205905286 1119194861 2238389722 34695040691 69390081382