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23311141685 = 513823435763
BaseRepresentation
bin10101101101011100…
…111100101100110101
32020011121000200201222
4111231130330230311
5340220123013220
614413050400125
71453446302126
oct255534745465
966147020658
1023311141685
119982593857
124626a30045
13227668b380
1411b1d6204d
159167bee25
hex56d73cb35

23311141685 has 16 divisors (see below), whose sum is σ = 30161841024. Its totient is φ = 17193425472.

The previous prime is 23311141673. The next prime is 23311141751. The reversal of 23311141685 is 58614111332.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23311141685 - 216 = 23311076149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164387 + ... + 271376.

It is an arithmetic number, because the mean of its divisors is an integer number (1885115064).

Almost surely, 223311141685 is an apocalyptic number.

It is an amenable number.

23311141685 is a deficient number, since it is larger than the sum of its proper divisors (6850699339).

23311141685 is a wasteful number, since it uses less digits than its factorization.

23311141685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436604.

The product of its digits is 17280, while the sum is 35.

The spelling of 23311141685 in words is "twenty-three billion, three hundred eleven million, one hundred forty-one thousand, six hundred eighty-five".

Divisors: 1 5 13 65 823 4115 10699 53495 435763 2178815 5664919 28324595 358632949 1793164745 4662228337 23311141685