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10202113044 = 2232283392029
BaseRepresentation
bin10011000000001011…
…11110010000010100
3222100000002001002200
421200011332100110
5131343220104134
64404202404500
7510550346544
oct114005762024
928300061080
1010202113044
114365910592
121b88800730
13c678344a6
146cad35324
153ea9d3499
hex26017e414

10202113044 has 18 divisors (see below), whose sum is σ = 25788674730. Its totient is φ = 3400704336.

The previous prime is 10202113039. The next prime is 10202113079. The reversal of 10202113044 is 44031120201.

It can be written as a sum of positive squares in only one way, i.e., 6932560644 + 3269552400 = 83262^2 + 57180^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×102021130442 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141695979 + ... + 141696050.

Almost surely, 210202113044 is an apocalyptic number.

It is an amenable number.

10202113044 is an abundant number, since it is smaller than the sum of its proper divisors (15586561686).

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

10202113044 is a wasteful number, since it uses less digits than its factorization.

10202113044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283392039 (or 283392034 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10202113044 its reverse (44031120201), we get a palindrome (54233233245).

The spelling of 10202113044 in words is "ten billion, two hundred two million, one hundred thirteen thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 283392029 566784058 850176087 1133568116 1700352174 2550528261 3400704348 5101056522 10202113044