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2153790973511 = 29671108487377
BaseRepresentation
bin11111010101110111111…
…100100010011001000111
321121220022101200202211222
4133111313330202121013
5240241430442123021
64325234331150555
7311414643132152
oct37256774423107
97556271622758
102153790973511
117604659454a1
122a95042a545b
1312814233a508
147635b902c99
153b0597e36ab
hex1f577f22647

2153790973511 has 8 divisors (see below), whose sum is σ = 2261314251120. Its totient is φ = 2048484670848.

The previous prime is 2153790973493. The next prime is 2153790973517. The reversal of 2153790973511 is 1153790973512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2153790973511 - 26 = 2153790973447 is a prime.

It is a super-2 number, since 2×21537909735112 (a number of 25 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 (2153790973517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554241746 + ... + 554245631.

It is an arithmetic number, because the mean of its divisors is an integer number (282664281390).

Almost surely, 22153790973511 is an apocalyptic number.

2153790973511 is a deficient number, since it is larger than the sum of its proper divisors (107523277609).

2153790973511 is a wasteful number, since it uses less digits than its factorization.

2153790973511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108487473.

The product of its (nonzero) digits is 1786050, while the sum is 53.

Subtracting from 2153790973511 its reverse (1153790973512), we obtain a palindrome (999999999999).

The spelling of 2153790973511 in words is "two trillion, one hundred fifty-three billion, seven hundred ninety million, nine hundred seventy-three thousand, five hundred eleven".

Divisors: 1 29 67 1943 1108487377 32146133933 74268654259 2153790973511