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2155534033 = 23757123803
BaseRepresentation
bin1000000001111010…
…1101011011010001
312120020000110210211
42000132231123101
513403304042113
6553520324121
7104262510532
oct20036553321
95506013724
102155534033
11a06819694
12501a73641
13284763133
141663c4689
15c9386b3d
hex807ad6d1

2155534033 has 8 divisors (see below), whose sum is σ = 2252242368. Its totient is φ = 2059074864.

The previous prime is 2155534019. The next prime is 2155534093. The reversal of 2155534033 is 3304355512.

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 2155534033 - 25 = 2155534001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2155533986 and 2155534004.

It is not an unprimeable number, because it can be changed into a prime (2155534013) 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, 44491 + ... + 79312.

It is an arithmetic number, because the mean of its divisors is an integer number (281530296).

Almost surely, 22155534033 is an apocalyptic number.

2155534033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2155534033 is a deficient number, since it is larger than the sum of its proper divisors (96708335).

2155534033 is a wasteful number, since it uses less digits than its factorization.

2155534033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124583.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 2155534033 is about 46427.7291389532. The cubic root of 2155534033 is about 1291.7693072585.

Adding to 2155534033 its reverse (3304355512), we get a palindrome (5459889545).

The spelling of 2155534033 in words is "two billion, one hundred fifty-five million, five hundred thirty-four thousand, thirty-three".

Divisors: 1 23 757 17411 123803 2847469 93718871 2155534033