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2145211460022 = 2313991549164987
BaseRepresentation
bin11111001101111000100…
…100010010100110110110
321121002011110211022220010
4133031320210102212312
5240121343113210042
64321255130321050
7310662224356251
oct37157044224666
97532143738803
102145211460022
11757862a41a84
122a790ab89186
131273a5a22507
1475b862a6098
153ac064c559c
hex1f3789129b6

2145211460022 has 32 divisors (see below), whose sum is σ = 4296287520000. Its totient is φ = 714093725088.

The previous prime is 2145211459991. The next prime is 2145211460027. The reversal of 2145211460022 is 2200641125412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145211460027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12919813 + ... + 13084799.

It is an arithmetic number, because the mean of its divisors is an integer number (134258985000).

Almost surely, 22145211460022 is an apocalyptic number.

2145211460022 is an abundant number, since it is smaller than the sum of its proper divisors (2151076059978).

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

2145211460022 is a wasteful number, since it uses less digits than its factorization.

2145211460022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167940.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 2145211460022 its reverse (2200641125412), we get a palindrome (4345852585434).

The spelling of 2145211460022 in words is "two trillion, one hundred forty-five billion, two hundred eleven million, four hundred sixty thousand, twenty-two".

Divisors: 1 2 3 6 1399 1549 2798 3098 4197 4647 8394 9294 164987 329974 494961 989922 2167051 4334102 6501153 13002306 230816813 255564863 461633626 511129726 692450439 766694589 1384900878 1533389178 357535243337 715070486674 1072605730011 2145211460022