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32212120030 = 25171223154933
BaseRepresentation
bin11101111111111111…
…011111000111011110
310002010220210020120121
4131333333133013132
51011432300320110
622444213305154
72220150334246
oct357777370736
9102126706517
1032212120030
111272a9a1602
1262ab9351ba
13306477b26c
1417b815cb26
15c87e3bcda
hex77ffdf1de

32212120030 has 32 divisors (see below), whose sum is σ = 61443105984. Its totient is φ = 12116921856.

The previous prime is 32212120027. The next prime is 32212120051. The reversal of 32212120030 is 3002121223.

It is a junction number, because it is equal to n+sod(n) for n = 32212119986 and 32212120013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130444 + ... + 285376.

It is an arithmetic number, because the mean of its divisors is an integer number (1920097062).

Almost surely, 232212120030 is an apocalyptic number.

32212120030 is a deficient number, since it is larger than the sum of its proper divisors (29230985954).

32212120030 is a wasteful number, since it uses less digits than its factorization.

32212120030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156180.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 32212120030 its reverse (3002121223), we get a palindrome (35214241253).

The spelling of 32212120030 in words is "thirty-two billion, two hundred twelve million, one hundred twenty thousand, thirty".

Divisors: 1 2 5 10 17 34 85 170 1223 2446 6115 12230 20791 41582 103955 154933 207910 309866 774665 1549330 2633861 5267722 13169305 26338610 189483059 378966118 947415295 1894830590 3221212003 6442424006 16106060015 32212120030