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2220231620264 = 237151262562869
BaseRepresentation
bin100000010011110000000…
…111011111011010101000
321212020210202111022222112
4200103300013133122220
5242334013243322024
64415543232541452
7316256260250510
oct40236007373250
97766722438875
102220231620264
1178665a960809
122ba3670b1888
131314a0236a88
147966190a840
153cb476c100e
hex204f01df6a8

2220231620264 has 32 divisors (see below), whose sum is σ = 4789146748800. Its totient is φ = 945226324800.

The previous prime is 2220231620251. The next prime is 2220231620267. The reversal of 2220231620264 is 4620261320222.

It is a self number, because there is not a number n which added to its sum of digits gives 2220231620264.

It is not an unprimeable number, because it can be changed into a prime (2220231620267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131272979 + ... + 131289890.

It is an arithmetic number, because the mean of its divisors is an integer number (149660835900).

Almost surely, 22220231620264 is an apocalyptic number.

It is an amenable number.

2220231620264 is an abundant number, since it is smaller than the sum of its proper divisors (2568915128536).

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

2220231620264 is a wasteful number, since it uses less digits than its factorization.

2220231620264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262563033 (or 262563029 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 2220231620264 its reverse (4620261320222), we get a palindrome (6840492940486).

The spelling of 2220231620264 in words is "two trillion, two hundred twenty billion, two hundred thirty-one million, six hundred twenty thousand, two hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 56 151 302 604 1057 1208 2114 4228 8456 262562869 525125738 1050251476 1837940083 2100502952 3675880166 7351760332 14703520664 39646993219 79293986438 158587972876 277528952533 317175945752 555057905066 1110115810132 2220231620264