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10121322100 = 2252419241559
BaseRepresentation
bin10010110110100011…
…10001111001110100
3222010101001102202111
421123101301321310
5131212024301400
64352155020404
7505546550461
oct113321617164
928111042674
1010121322100
11432424a10a
121b6573a704
13c53b880b6
146c0304668
153e38753ba
hex25b471e74

10121322100 has 36 divisors (see below), whose sum is σ = 22015778400. Its totient is φ = 4038849760.

The previous prime is 10121322083. The next prime is 10121322149. The reversal of 10121322100 is 122312101.

It is a super-2 number, since 2×101213221002 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78880 + ... + 162679.

It is an arithmetic number, because the mean of its divisors is an integer number (611549400).

Almost surely, 210121322100 is an apocalyptic number.

10121322100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121322100 is an abundant number, since it is smaller than the sum of its proper divisors (11894456300).

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

10121322100 is a wasteful number, since it uses less digits than its factorization.

10121322100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241992 (or 241985 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10121322100 its reverse (122312101), we get a palindrome (10243634201).

Subtracting from 10121322100 its reverse (122312101), we obtain a palindrome (9999009999).

The spelling of 10121322100 in words is "ten billion, one hundred twenty-one million, three hundred twenty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 419 838 1676 2095 4190 8380 10475 20950 41900 241559 483118 966236 1207795 2415590 4831180 6038975 12077950 24155900 101213221 202426442 404852884 506066105 1012132210 2024264420 2530330525 5060661050 10121322100