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10021321032 = 233417555043
BaseRepresentation
bin10010101010101000…
…10011100101001000
3221212101212212002020
421111110103211020
5131010424233112
64334223404440
7503223552252
oct112524234510
927771785066
1010021321032
1142828578a8
121b38153720
13c39243c78
146b0d12cd2
153d9bc048c
hex255513948

10021321032 has 16 divisors (see below), whose sum is σ = 25053302640. Its totient is φ = 3340440336.

The previous prime is 10021321001. The next prime is 10021321039. The reversal of 10021321032 is 23012312001.

It is not an unprimeable number, because it can be changed into a prime (10021321039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208777498 + ... + 208777545.

It is an arithmetic number, because the mean of its divisors is an integer number (1565831415).

Almost surely, 210021321032 is an apocalyptic number.

10021321032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10021321032 is an abundant number, since it is smaller than the sum of its proper divisors (15031981608).

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

10021321032 is a wasteful number, since it uses less digits than its factorization.

10021321032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417555052 (or 417555048 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10021321032 its reverse (23012312001), we get a palindrome (33033633033).

The spelling of 10021321032 in words is "ten billion, twenty-one million, three hundred twenty-one thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 24 417555043 835110086 1252665129 1670220172 2505330258 3340440344 5010660516 10021321032