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10200202100 = 22521110191811
BaseRepresentation
bin10010111111111101…
…01011101101110100
3222022212110221202222
421133332223231310
5131342222431400
64404053421512
7510525200354
oct113776535564
928285427688
1010200202100
1143648258a0
121b8803a898
13c6731575a
146ca998b64
153ea757185
hex25ffabb74

10200202100 has 72 divisors (see below), whose sum is σ = 24386001696. Its totient is φ = 3672400000.

The previous prime is 10200202099. The next prime is 10200202109. The reversal of 10200202100 is 120200201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200202109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65195 + ... + 157005.

It is an arithmetic number, because the mean of its divisors is an integer number (338694468).

Almost surely, 210200202100 is an apocalyptic number.

10200202100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10200202100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12193000848).

10200202100 is an abundant number, since it is smaller than the sum of its proper divisors (14185799596).

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

10200202100 is a wasteful number, since it uses less digits than its factorization.

10200202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91937 (or 91930 counting only the distinct ones).

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

Adding to 10200202100 its reverse (120200201), we get a palindrome (10320402301).

The spelling of 10200202100 in words is "ten billion, two hundred million, two hundred two thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 101 110 202 220 275 404 505 550 1010 1100 1111 2020 2222 2525 4444 5050 5555 10100 11110 22220 27775 55550 91811 111100 183622 367244 459055 918110 1009921 1836220 2019842 2295275 4039684 4590550 5049605 9181100 9272911 10099210 18545822 20198420 25248025 37091644 46364555 50496050 92729110 100992100 102002021 185458220 204004042 231822775 408008084 463645550 510010105 927291100 1020020210 2040040420 2550050525 5100101050 10200202100