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10101021100 = 2252199507589
BaseRepresentation
bin10010110100001000…
…10101100110101100
3222001221212001000121
421122010111212230
5131141330133400
64350151534324
7505212156052
oct113204254654
928057761017
1010101021100
114313843725
121b5a98a3a4
13c4c8ca981
146bb73c1d2
153e1bb521a
hex25a1159ac

10101021100 has 36 divisors (see below), whose sum is σ = 22029406000. Its totient is φ = 4020096960.

The previous prime is 10101021089. The next prime is 10101021107. The reversal of 10101021100 is 112010101.

It is not an unprimeable number, because it can be changed into a prime (10101021107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233895 + ... + 273694.

Almost surely, 210101021100 is an apocalyptic number.

10101021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101021100 is an abundant number, since it is smaller than the sum of its proper divisors (11928384900).

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

10101021100 is a wasteful number, since it uses less digits than its factorization.

10101021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507802 (or 507795 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10101021100 its reverse (112010101), we get a palindrome (10213031201).

The spelling of 10101021100 in words is "ten billion, one hundred one million, twenty-one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 199 398 796 995 1990 3980 4975 9950 19900 507589 1015178 2030356 2537945 5075890 10151780 12689725 25379450 50758900 101010211 202020422 404040844 505051055 1010102110 2020204220 2525255275 5050510550 10101021100