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211231021001232 = 2435747037657253
BaseRepresentation
bin110000000001110100001101…
…111110001110101000010000
31000200220111012001001120010210
4300001310031332032220100
5210141302112334014412
62025130105202524120
762330636420564031
oct6001641576165020
91020814161046123
10211231021001232
1161339633634861
121b835ba1666640
1390b2ccc77841b
143a238c913ca88
15196490c27583c
hexc01d0df8ea10

211231021001232 has 40 divisors (see below), whose sum is σ = 545681158349184. Its totient is φ = 70410208622464.

The previous prime is 211231021001201. The next prime is 211231021001261. The reversal of 211231021001232 is 232100120132112.

It is a junction number, because it is equal to n+sod(n) for n = 211231021001199 and 211231021001208.

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, 23757118 + ... + 31414370.

Almost surely, 2211231021001232 is an apocalyptic number.

It is an amenable number.

211231021001232 is an abundant number, since it is smaller than the sum of its proper divisors (334450137347952).

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

211231021001232 is a wasteful number, since it uses less digits than its factorization.

211231021001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8231967 (or 8231961 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 211231021001232 its reverse (232100120132112), we get a palindrome (443331141133344).

The spelling of 211231021001232 in words is "two hundred eleven trillion, two hundred thirty-one billion, twenty-one million, one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 574703 1149406 1724109 2298812 3448218 4597624 6896436 7657253 9195248 13792872 15314506 22971759 27585744 30629012 45943518 61258024 91887036 122516048 183774072 367548144 4400646270859 8801292541718 13201938812577 17602585083436 26403877625154 35205170166872 52807755250308 70410340333744 105615510500616 211231021001232