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10100221012 = 2272315683573
BaseRepresentation
bin10010110100000010…
…10010010001010100
3222001220100101111201
421122001102101110
5131141124033022
64350122442244
7505202314330
oct113201222124
928056311451
1010100221012
1143133475a2
121b5a663384
13c4c6aa74b
146bb5b07c0
153e1aa8127
hex25a052454

10100221012 has 24 divisors (see below), whose sum is σ = 21078723456. Its totient is φ = 4140463008.

The previous prime is 10100221003. The next prime is 10100221013. The reversal of 10100221012 is 21012200101.

It is a self number, because there is not a number n which added to its sum of digits gives 10100221012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100221013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7841143 + ... + 7842430.

It is an arithmetic number, because the mean of its divisors is an integer number (878280144).

Almost surely, 210100221012 is an apocalyptic number.

It is an amenable number.

10100221012 is an abundant number, since it is smaller than the sum of its proper divisors (10978502444).

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

10100221012 is a wasteful number, since it uses less digits than its factorization.

10100221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15683607 (or 15683605 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10100221012 its reverse (21012200101), we get a palindrome (31112421113).

The spelling of 10100221012 in words is "ten billion, one hundred million, two hundred twenty-one thousand, twelve".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 15683573 31367146 62734292 109785011 219570022 360722179 439140044 721444358 1442888716 2525055253 5050110506 10100221012