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202131425732 = 22312341696323
BaseRepresentation
bin1011110000111111111…
…0001100100111000100
3201022201212221022221012
42330033332030213010
511302431121110412
6232505145541352
720414001525125
oct2741776144704
9638655838835
10202131425732
11787a5a13975
12332114a4858
13160a3a90c32
149ad71cc04c
1553d0647c22
hex2f0ff8c9c4

202131425732 has 24 divisors (see below), whose sum is σ = 365297140992. Its totient is φ = 97763608800.

The previous prime is 202131425633. The next prime is 202131425761. The reversal of 202131425732 is 237524131202.

It is a super-2 number, since 2×2021314257322 (a number of 23 digits) contains 22 as substring.

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, 57878 + ... + 638445.

It is an arithmetic number, because the mean of its divisors is an integer number (15220714208).

Almost surely, 2202131425732 is an apocalyptic number.

It is an amenable number.

202131425732 is a deficient number, since it is larger than the sum of its proper divisors (163165715260).

202131425732 is a wasteful number, since it uses less digits than its factorization.

202131425732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698699 (or 698697 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 202131425732 its reverse (237524131202), we get a palindrome (439655556934).

The spelling of 202131425732 in words is "two hundred two billion, one hundred thirty-one million, four hundred twenty-five thousand, seven hundred thirty-two".

Divisors: 1 2 4 31 62 124 2341 4682 9364 72571 145142 290284 696323 1392646 2785292 21586013 43172026 86344052 1630092143 3260184286 6520368572 50532856433 101065712866 202131425732