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10420542100 = 2252834912557
BaseRepresentation
bin10011011010001110…
…01101101010010100
3222220020002101102201
421231013031222110
5132320124321400
64442004214244
7516142101133
oct115507155224
928806071381
1010420542100
114468140571
12202999a384
13ca0b71b57
1470bd5391a
1540ec7d06a
hex26d1cda94

10420542100 has 72 divisors (see below), whose sum is σ = 22940594208. Its totient is φ = 4108003200.

The previous prime is 10420542091. The next prime is 10420542103. The reversal of 10420542100 is 124502401.

10420542100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10420542103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4074022 + ... + 4076578.

It is an arithmetic number, because the mean of its divisors is an integer number (318619364).

Almost surely, 210420542100 is an apocalyptic number.

10420542100 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 10420542100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11470297104).

10420542100 is an abundant number, since it is smaller than the sum of its proper divisors (12520052108).

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

10420542100 is a wasteful number, since it uses less digits than its factorization.

10420542100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145 (or 3138 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The spelling of 10420542100 in words is "ten billion, four hundred twenty million, five hundred forty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 83 100 166 332 415 491 830 982 1660 1964 2075 2455 2557 4150 4910 5114 8300 9820 10228 12275 12785 24550 25570 40753 49100 51140 63925 81506 127850 163012 203765 212231 255700 407530 424462 815060 848924 1018825 1061155 1255487 2037650 2122310 2510974 4075300 4244620 5021948 5305775 6277435 10611550 12554870 21223100 25109740 31387175 62774350 104205421 125548700 208410842 416821684 521027105 1042054210 2084108420 2605135525 5210271050 10420542100