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10310012100 = 2234521774873
BaseRepresentation
bin10011001101000011…
…00100110011000100
3222121112002212210000
421212201210303010
5132103330341400
64423015201300
7513330441213
oct114641446304
928545085700
1010310012100
114410807763
121bb8976230
13c83cb249b
146db3c107a
154051e8600
hex266864cc4

10310012100 has 180 divisors, whose sum is σ = 35387399124. Its totient is φ = 2587576320.

The previous prime is 10310012099. The next prime is 10310012113. The reversal of 10310012100 is 121001301.

It can be written as a sum of positive squares in 6 ways, for example, as 820135044 + 9489877056 = 28638^2 + 97416^2 .

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 100264 + ... + 175136.

Almost surely, 210310012100 is an apocalyptic number.

10310012100 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 10310012100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17693699562).

10310012100 is an abundant number, since it is smaller than the sum of its proper divisors (25077387024).

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

10310012100 is a wasteful number, since it uses less digits than its factorization.

10310012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74916 (or 74900 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 10310012100 its reverse (121001301), we get a palindrome (10431013401).

The spelling of 10310012100 in words is "ten billion, three hundred ten million, twelve thousand, one hundred".