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30044131254 = 2331929234819
BaseRepresentation
bin11011111110110001…
…010000111110110110
32212112211100000002000
4123332301100332312
5443012244200004
621445130000130
72112343621254
oct337661207666
985484300060
1030044131254
1111818146545
1259a5876046
132aaa577177
1416502555d4
15bac944c39
hex6fec50fb6

30044131254 has 96 divisors (see below), whose sum is σ = 72787728000. Its totient is φ = 9160197984.

The previous prime is 30044131237. The next prime is 30044131289. The reversal of 30044131254 is 45213144003.

It is a happy number.

30044131254 is a `hidden beast` number, since 300 + 4 + 41 + 312 + 5 + 4 = 666.

It is a super-2 number, since 2×300441312542 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 845457 + ... + 880275.

It is an arithmetic number, because the mean of its divisors is an integer number (758205500).

Almost surely, 230044131254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30044131254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36393864000).

30044131254 is an abundant number, since it is smaller than the sum of its proper divisors (42743596746).

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

30044131254 is a wasteful number, since it uses less digits than its factorization.

30044131254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34907 (or 34872 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 30044131254 its reverse (45213144003), we get a palindrome (75257275257).

The spelling of 30044131254 in words is "thirty billion, forty-four million, one hundred thirty-one thousand, two hundred fifty-four".

Divisors: 1 2 3 6 9 18 19 27 29 38 54 57 58 87 114 171 174 261 342 513 522 551 783 841 1026 1102 1566 1653 1682 2523 3306 4959 5046 7569 9918 14877 15138 15979 22707 29754 31958 34819 45414 47937 69638 95874 104457 143811 208914 287622 313371 431433 626742 661561 862866 940113 1009751 1323122 1880226 1984683 2019502 3029253 3969366 5954049 6058506 9087759 11908098 17862147 18175518 19185269 27263277 29282779 35724294 38370538 54526554 57555807 58565558 87848337 115111614 172667421 175696674 263545011 345334842 518002263 527090022 556372801 790635033 1036004526 1112745602 1581270066 1669118403 3338236806 5007355209 10014710418 15022065627 30044131254