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2153402606220 = 2235162722059031
BaseRepresentation
bin11111010101100000110…
…011000010001010001100
321121212022022220200002020
4133111200303002022030
5240240132031344340
64325132015130140
7311402216100045
oct37254063021214
97555268820066
102153402606220
117602866a5398
122a9416213950
131280aca3c998
14763220c98cc
153b03567b9d0
hex1f560cc228c

2153402606220 has 48 divisors (see below), whose sum is σ = 6033233488128. Its totient is φ = 573887724480.

The previous prime is 2153402606177. The next prime is 2153402606221. The reversal of 2153402606220 is 226062043512.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2153402606221) 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, 10931896 + ... + 11127135.

It is an arithmetic number, because the mean of its divisors is an integer number (125692364336).

Almost surely, 22153402606220 is an apocalyptic number.

2153402606220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2153402606220 is an abundant number, since it is smaller than the sum of its proper divisors (3879830881908).

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

2153402606220 is a wasteful number, since it uses less digits than its factorization.

2153402606220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22060670 (or 22060668 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 2153402606220 its reverse (226062043512), we get a palindrome (2379464649732).

The spelling of 2153402606220 in words is "two trillion, one hundred fifty-three billion, four hundred two million, six hundred six thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1627 3254 4881 6508 8135 9762 16270 19524 24405 32540 48810 97620 22059031 44118062 66177093 88236124 110295155 132354186 220590310 264708372 330885465 441180620 661770930 1323541860 35890043437 71780086874 107670130311 143560173748 179450217185 215340260622 358900434370 430680521244 538350651555 717800868740 1076701303110 2153402606220