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72669027269 = 6113175112109
BaseRepresentation
bin100001110101101101…
…0010101101111000101
320221120102121001222102
41003223122111233011
52142311232333034
653214513241445
75151543353156
oct1035332255705
9227512531872
1072669027269
1128900853833
1212100863285
136b113a8427
1437352a592d
151d54ac897e
hex10eb695bc5

72669027269 has 16 divisors (see below), whose sum is σ = 74529396480. Its totient is φ = 70831800000.

The previous prime is 72669027253. The next prime is 72669027289. The reversal of 72669027269 is 96272096627.

It is a cyclic number.

It is not a de Polignac number, because 72669027269 - 24 = 72669027253 is a prime.

It is a super-2 number, since 2×726690272692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72669027289) 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, 5995187 + ... + 6007295.

It is an arithmetic number, because the mean of its divisors is an integer number (4658087280).

Almost surely, 272669027269 is an apocalyptic number.

It is an amenable number.

72669027269 is a deficient number, since it is larger than the sum of its proper divisors (1860369211).

72669027269 is a wasteful number, since it uses less digits than its factorization.

72669027269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13052.

The product of its (nonzero) digits is 6858432, while the sum is 56.

The spelling of 72669027269 in words is "seventy-two billion, six hundred sixty-nine million, twenty-seven thousand, two hundred sixty-nine".

Divisors: 1 61 131 751 7991 12109 45811 98381 738649 1586279 6001241 9093859 96763019 554725399 1191295529 72669027269