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69743528101 = 1341699718701
BaseRepresentation
bin100000011110100001…
…0011100100010100101
320200000112202022120101
41000331002130202211
52120313320344401
652012325504101
75016211131112
oct1007502344245
9220015668511
1069743528101
112763a448a25
1211624b72031
13676627a230
143538933909
151c32d4e101
hex103d09c8a5

69743528101 has 16 divisors (see below), whose sum is σ = 76955438448. Its totient is φ = 62796096000.

The previous prime is 69743528053. The next prime is 69743528149. The reversal of 69743528101 is 10182534796.

It is a Cunningham number, because it is equal to 2640902+1.

It is an interprime number because it is at equal distance from previous prime (69743528053) and next prime (69743528149).

It can be written as a sum of positive squares in 8 ways, for example, as 32318691076 + 37424837025 = 179774^2 + 193455^2 .

It is a cyclic number.

It is not a de Polignac number, because 69743528101 - 29 = 69743527589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69743528191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3720051 + ... + 3738751.

It is an arithmetic number, because the mean of its divisors is an integer number (4809714903).

It is a 2-persistent number, because it is pandigital, and so is 2⋅69743528101 = 139487056202, but 3⋅69743528101 = 209230584303 is not.

Almost surely, 269743528101 is an apocalyptic number.

It is an amenable number.

69743528101 is a deficient number, since it is larger than the sum of its proper divisors (7211910347).

69743528101 is a wasteful number, since it uses less digits than its factorization.

69743528101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25752.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 69743528101 in words is "sixty-nine billion, seven hundred forty-three million, five hundred twenty-eight thousand, one hundred one".

Divisors: 1 13 41 533 6997 18701 90961 243113 286877 766741 3729401 9967633 130850897 1701061661 5364886777 69743528101