Search a number
-
+
1258225140792 = 2331723748117923
BaseRepresentation
bin10010010011110100000…
…100000000010000111000
311110021200212120201121110
4102103310010000100320
5131103321114001132
62402004243240320
7156621664143054
oct22236404002070
94407625521543
101258225140792
11445679321164
12183a290790a0
139185b418139
1444c813aac64
1522ae16ee1cc
hex124f4100438

1258225140792 has 128 divisors (see below), whose sum is σ = 3476062978560. Its totient is φ = 377503272960.

The previous prime is 1258225140787. The next prime is 1258225140793. The reversal of 1258225140792 is 2970415228521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258225140793) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 70192743 + ... + 70210665.

It is an arithmetic number, because the mean of its divisors is an integer number (27156742020).

Almost surely, 21258225140792 is an apocalyptic number.

1258225140792 is a gapful number since it is divisible by the number (12) 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 1258225140792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1738031489280).

1258225140792 is an abundant number, since it is smaller than the sum of its proper divisors (2217837837768).

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

1258225140792 is a wasteful number, since it uses less digits than its factorization.

1258225140792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25453 (or 25449 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 1258225140792 in words is "one trillion, two hundred fifty-eight billion, two hundred twenty-five million, one hundred forty thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 17 23 24 34 46 51 68 69 92 102 136 138 184 204 276 391 408 552 782 1173 1564 2346 3128 4692 7481 9384 14962 17923 22443 29924 35846 44886 53769 59848 71692 89772 107538 127177 143384 172063 179544 215076 254354 304691 344126 381531 412229 430152 508708 516189 609382 688252 763062 824458 914073 1017416 1032378 1218764 1236687 1376504 1526124 1648916 1828146 2064756 2437528 2473374 2925071 3052248 3297832 3656292 4129512 4946748 5850142 7007893 7312584 8775213 9893496 11700284 14015786 17550426 21023679 23400568 28031572 35100852 42047358 56063144 70201704 84094716 134081963 168189432 268163926 402245889 536327852 804491778 1072655704 1608983556 2279393371 3083885149 3217967112 4558786742 6167770298 6838180113 9117573484 9251655447 12335540596 13676360226 18235146968 18503310894 24671081192 27352720452 37006621788 52426047533 54705440904 74013243576 104852095066 157278142599 209704190132 314556285198 419408380264 629112570396 1258225140792