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10121032044 = 22325912913691
BaseRepresentation
bin10010110110100001…
…01011000101101100
3222010100111200212200
421123100223011230
5131211441011134
64352144501500
7505544232024
oct113320530554
928110450780
1010121032044
1143240711a2
121b6561a890
13c53ab6076
146c026aa84
153e3819499
hex25b42b16c

10121032044 has 72 divisors (see below), whose sum is σ = 26044549440. Its totient is φ = 3313029600.

The previous prime is 10121032027. The next prime is 10121032049. The reversal of 10121032044 is 44023012101.

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

It is not an unprimeable number, because it can be changed into a prime (10121032049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2740239 + ... + 2743929.

Almost surely, 210121032044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10121032044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13022274720).

10121032044 is an abundant number, since it is smaller than the sum of its proper divisors (15923517396).

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

10121032044 is a wasteful number, since it uses less digits than its factorization.

10121032044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051 (or 5046 counting only the distinct ones).

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

Adding to 10121032044 its reverse (44023012101), we get a palindrome (54144044145).

The spelling of 10121032044 in words is "ten billion, one hundred twenty-one million, thirty-two thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 59 118 177 236 354 531 708 1062 1291 2124 2582 3691 3873 5164 7382 7746 11073 11619 14764 15492 22146 23238 33219 44292 46476 66438 76169 132876 152338 217769 228507 304676 435538 457014 653307 685521 871076 914028 1306614 1371042 1959921 2613228 2742084 3919842 4765081 7839684 9530162 14295243 19060324 28590486 42885729 57180972 85771458 171542916 281139779 562279558 843419337 1124559116 1686838674 2530258011 3373677348 5060516022 10121032044