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10122250044 = 22323283129593
BaseRepresentation
bin10010110110101010…
…10100011100111100
3222010102210120122210
421123111110130330
5131212244000134
64352230540420
7505560464034
oct113325243474
928112716583
1010122250044
114324823305
121b65b07710
13c5412158a
146c04a68c4
153e39aa2e9
hex25b55473c

10122250044 has 48 divisors (see below), whose sum is σ = 24732755712. Its totient is φ = 3215955072.

The previous prime is 10122250037. The next prime is 10122250049. The reversal of 10122250044 is 44005222101.

It is a self number, because there is not a number n which added to its sum of digits gives 10122250044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122250049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13312 + ... + 142904.

It is an arithmetic number, because the mean of its divisors is an integer number (515265744).

Almost surely, 210122250044 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 10122250044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12366377856).

10122250044 is an abundant number, since it is smaller than the sum of its proper divisors (14610505668).

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

10122250044 is a wasteful number, since it uses less digits than its factorization.

10122250044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129906 (or 129904 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 10122250044 its reverse (44005222101), we get a palindrome (54127472145).

The spelling of 10122250044 in words is "ten billion, one hundred twenty-two million, two hundred fifty thousand, forty-four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 283 566 849 1132 1698 3396 6509 13018 19527 26036 39054 78108 129593 259186 388779 518372 777558 1555116 2980639 5961278 8941917 11922556 17883834 35767668 36674819 73349638 110024457 146699276 220048914 440097828 843520837 1687041674 2530562511 3374083348 5061125022 10122250044