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2153165356127 = 23972347411211
BaseRepresentation
bin11111010101010010101…
…001111111110001011111
321121211200210111010010202
4133111102221333301133
5240234140312344002
64325052302054115
7311363305356602
oct37252251776137
97554623433122
102153165356127
1176017478a935
122a936a87a33b
13128072842706
14762dc7ac339
153b01e915502
hex1f552a7fc5f

2153165356127 has 16 divisors (see below), whose sum is σ = 2270916625152. Its totient is φ = 2037443569920.

The previous prime is 2153165356123. The next prime is 2153165356183. The reversal of 2153165356127 is 7216535613512.

It is not a de Polignac number, because 2153165356127 - 22 = 2153165356123 is a prime.

It is a super-2 number, since 2×21531653561272 (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153165356123) 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, 5030552 + ... + 5441762.

It is an arithmetic number, because the mean of its divisors is an integer number (141932289072).

Almost surely, 22153165356127 is an apocalyptic number.

2153165356127 is a deficient number, since it is larger than the sum of its proper divisors (117751269025).

2153165356127 is a wasteful number, since it uses less digits than its factorization.

2153165356127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413678.

The product of its digits is 1134000, while the sum is 47.

The spelling of 2153165356127 in words is "two trillion, one hundred fifty-three billion, one hundred sixty-five million, three hundred fifty-six thousand, one hundred twenty-seven".

Divisors: 1 23 97 2231 2347 53981 227659 411211 5236157 9457853 39887467 917411741 965112217 22197580991 93615885049 2153165356127