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10211453442 = 2321944966499
BaseRepresentation
bin10011000001010011…
…00110101000000010
3222100122122120201100
421200221212220002
5131403113002232
64405134515230
7511022631201
oct114051465002
928318576640
1010211453442
114370110123
121b8b965b16
13c69754a58
146cc287238
153eb72ac7c
hex260a66a02

10211453442 has 48 divisors (see below), whose sum is σ = 23341500000. Its totient is φ = 3217439232.

The previous prime is 10211453419. The next prime is 10211453459. The reversal of 10211453442 is 24435411201.

10211453442 is a `hidden beast` number, since 1 + 0 + 211 + 4 + 5 + 3 + 442 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120309 + ... + 186807.

It is an arithmetic number, because the mean of its divisors is an integer number (486281250).

Almost surely, 210211453442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10211453442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11670750000).

10211453442 is an abundant number, since it is smaller than the sum of its proper divisors (13130046558).

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

10211453442 is a wasteful number, since it uses less digits than its factorization.

10211453442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66975 (or 66972 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 10211453442 its reverse (24435411201), we get a palindrome (34646864643).

The spelling of 10211453442 in words is "ten billion, two hundred eleven million, four hundred fifty-three thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 449 898 1347 2694 4041 8082 8531 17062 25593 51186 66499 76779 132998 153558 199497 398994 598491 1196982 1263481 2526962 3790443 7580886 11371329 22742658 29858051 59716102 89574153 179148306 268722459 537444918 567302969 1134605938 1701908907 3403817814 5105726721 10211453442