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23111210022220 = 2251995806836689
BaseRepresentation
bin1010100000100111111110…
…11101101011010101001100
310000211102001222000020220201
411100103333131223111030
511012123224231202340
6121053050542223244
74603505220616015
oct520237735532514
9100742058006821
1023111210022220
117400455605491
122713135584b24
13cb84bac039c8
1459c834d1600c
152a1297a3c79a
hex1504ff76b54c

23111210022220 has 24 divisors (see below), whose sum is σ = 48777428196000. Its totient is φ = 9198029313792.

The previous prime is 23111210022209. The next prime is 23111210022247. The reversal of 23111210022220 is 2222001211132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2903414365 + ... + 2903422324.

It is an arithmetic number, because the mean of its divisors is an integer number (2032392841500).

Almost surely, 223111210022220 is an apocalyptic number.

23111210022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23111210022220 is an abundant number, since it is smaller than the sum of its proper divisors (25666218173780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23111210022220 is a wasteful number, since it uses less digits than its factorization.

23111210022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5806836897 (or 5806836895 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 23111210022220 its reverse (2222001211132), we get a palindrome (25333211233352).

The spelling of 23111210022220 in words is "twenty-three trillion, one hundred eleven billion, two hundred ten million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 199 398 796 995 1990 3980 5806836689 11613673378 23227346756 29034183445 58068366890 116136733780 1155560501111 2311121002222 4622242004444 5777802505555 11555605011110 23111210022220