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32131131401420 = 2253011533562461
BaseRepresentation
bin1110100111001000111001…
…01011000110010011001100
311012202201001210102000001022
413103210130223012103030
513202414024114321140
6152200501001133312
76524253250411112
oct723443453062314
9135681053360038
1032131131401420
11a268811023667
12372b28aa8a238
1314c0c500a192c
147d1225699ab2
153aac101050b5
hex1d391cac64cc

32131131401420 has 24 divisors (see below), whose sum is σ = 67497785692848. Its totient is φ = 12848184036800.

The previous prime is 32131131401417. The next prime is 32131131401431. The reversal of 32131131401420 is 2410413113123.

It is a self number, because there is not a number n which added to its sum of digits gives 32131131401420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266721011 + ... + 266841450.

It is an arithmetic number, because the mean of its divisors is an integer number (2812407737202).

Almost surely, 232131131401420 is an apocalyptic number.

It is an amenable number.

32131131401420 is an abundant number, since it is smaller than the sum of its proper divisors (35366654291428).

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

32131131401420 is a wasteful number, since it uses less digits than its factorization.

32131131401420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533565481 (or 533565479 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 32131131401420 its reverse (2410413113123), we get a palindrome (34541544514543).

The spelling of 32131131401420 in words is "thirty-two trillion, one hundred thirty-one billion, one hundred thirty-one million, four hundred one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 3011 6022 12044 15055 30110 60220 533562461 1067124922 2134249844 2667812305 5335624610 10671249220 1606556570071 3213113140142 6426226280284 8032782850355 16065565700710 32131131401420