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21022401404310 = 235798870211563
BaseRepresentation
bin1001100011110101010001…
…10001001001110110010110
32202102201111022002011210220
410301322220301021312112
510223412334224414220
6112413320300255210
74266550463410365
oct461725061116626
982381438064726
1021022401404310
1167756065a3609
122436347841506
13b965336150a7
145296bd8937dc
15266c930ba540
hex131ea8c49d96

21022401404310 has 32 divisors (see below), whose sum is σ = 51092418608640. Its totient is φ = 5535012014688.

The previous prime is 21022401404309. The next prime is 21022401404357. The reversal of 21022401404310 is 1340410422012.

It is a super-2 number, since 2×210224014043102 (a number of 27 digits) contains 22 as substring.

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, 4435103412 + ... + 4435108151.

It is an arithmetic number, because the mean of its divisors is an integer number (1596638081520).

Almost surely, 221022401404310 is an apocalyptic number.

21022401404310 is an abundant number, since it is smaller than the sum of its proper divisors (30070017204330).

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

21022401404310 is a wasteful number, since it uses less digits than its factorization.

21022401404310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8870211652.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 21022401404310 its reverse (1340410422012), we get a palindrome (22362811826322).

The spelling of 21022401404310 in words is "twenty-one trillion, twenty-two billion, four hundred one million, four hundred four thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 79 158 237 395 474 790 1185 2370 8870211563 17740423126 26610634689 44351057815 53221269378 88702115630 133053173445 266106346890 700746713477 1401493426954 2102240140431 3503733567385 4204480280862 7007467134770 10511200702155 21022401404310