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21825411233 = 139346945263
BaseRepresentation
bin10100010100111001…
…010101100010100001
32002100001100202201012
4110110321111202201
5324144301124413
614005414150305
71401565635353
oct242471254241
962301322635
1021825411233
11928a96a54a
124291352395
13209a924122
1410b08d50d3
1587b1437a8
hex514e558a1

21825411233 has 8 divisors (see below), whose sum is σ = 21989251200. Its totient is φ = 21661669008.

The previous prime is 21825411211. The next prime is 21825411263. The reversal of 21825411233 is 33211452812.

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 21825411233 - 210 = 21825410209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21825411233.

It is not an unprimeable number, because it can be changed into a prime (21825411263) 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, 459560 + ... + 504822.

It is an arithmetic number, because the mean of its divisors is an integer number (2748656400).

Almost surely, 221825411233 is an apocalyptic number.

It is an amenable number.

21825411233 is a deficient number, since it is larger than the sum of its proper divisors (163839967).

21825411233 is a wasteful number, since it uses less digits than its factorization.

21825411233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48871.

The product of its digits is 11520, while the sum is 32.

The spelling of 21825411233 in words is "twenty-one billion, eight hundred twenty-five million, four hundred eleven thousand, two hundred thirty-three".

Divisors: 1 139 3469 45263 482191 6291557 157017347 21825411233