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23003021311 = 47949319739
BaseRepresentation
bin10101011011000101…
…100011111111111111
32012101010020120001021
4111123011203333333
5334102233140221
614322322325011
71443015312034
oct253305437777
965333216037
1023003021311
119834673416
12455b7b9767
1322278a941a
14118307738b
158e970a041
hex55b163fff

23003021311 has 8 divisors (see below), whose sum is σ = 23058086400. Its totient is φ = 22947986520.

The previous prime is 23003021309. The next prime is 23003021333. The reversal of 23003021311 is 11312030032.

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 23003021311 - 21 = 23003021309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23003024311) 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, 2357080 + ... + 2366818.

It is an arithmetic number, because the mean of its divisors is an integer number (2882260800).

Almost surely, 223003021311 is an apocalyptic number.

23003021311 is a deficient number, since it is larger than the sum of its proper divisors (55065089).

23003021311 is an equidigital number, since it uses as much as digits as its factorization.

23003021311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15149.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 23003021311 its reverse (11312030032), we get a palindrome (34315051343).

The spelling of 23003021311 in words is "twenty-three billion, three million, twenty-one thousand, three hundred eleven".

Divisors: 1 479 4931 9739 2361949 4664981 48023009 23003021311