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2220808811045 = 511379899911839
BaseRepresentation
bin100000010100010010100…
…001010011001000100101
321212022021222120122212212
4200110102201103020211
5242341204023423140
64420120412053205
7316306466300456
oct40242241231045
97768258518785
102220808811045
1178692674a790
122ba4a8464205
131315629a7696
14796b843712d
153cb7d1d5765
hex20512853225

2220808811045 has 32 divisors (see below), whose sum is σ = 2915481600000. Its totient is φ = 1610557058880.

The previous prime is 2220808811041. The next prime is 2220808811051. The reversal of 2220808811045 is 5401188080222.

It is not a de Polignac number, because 2220808811045 - 22 = 2220808811041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220808810993 and 2220808811011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220808811041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187578236 + ... + 187590074.

It is an arithmetic number, because the mean of its divisors is an integer number (91108800000).

Almost surely, 22220808811045 is an apocalyptic number.

It is an amenable number.

2220808811045 is a deficient number, since it is larger than the sum of its proper divisors (694672788955).

2220808811045 is a wasteful number, since it uses less digits than its factorization.

2220808811045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21233.

The product of its (nonzero) digits is 81920, while the sum is 41.

The spelling of 2220808811045 in words is "two trillion, two hundred twenty billion, eight hundred eight million, eight hundred eleven thousand, forty-five".

Divisors: 1 5 11 55 379 1895 4169 8999 11839 20845 44995 59195 98989 130229 494945 651145 3410621 4486981 17053105 22434905 37516831 49356791 106539161 187584155 246783955 532695805 1171930771 5859653855 40378342019 201891710095 444161762209 2220808811045