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1255350124340 = 2251367191377297
BaseRepresentation
bin10010010001001000101…
…100101011111100110100
311110000021111201202110122
4102101020230223330310
5131031424112434330
62400411101511112
7156460513665644
oct22211054537464
94400244652418
101255350124340
11444433466804
12183366272498
13914c08b3c80
1444a8b61a524
15229c40e75e5
hex12448b2bf34

1255350124340 has 96 divisors (see below), whose sum is σ = 2896489580544. Its totient is φ = 454204016640.

The previous prime is 1255350124333. The next prime is 1255350124381. The reversal of 1255350124340 is 434210535521.

It is a self number, because there is not a number n which added to its sum of digits gives 1255350124340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3138572 + ... + 3515868.

It is an arithmetic number, because the mean of its divisors is an integer number (30171766464).

Almost surely, 21255350124340 is an apocalyptic number.

1255350124340 is a gapful number since it is divisible by the number (10) 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 1255350124340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1448244790272).

1255350124340 is an abundant number, since it is smaller than the sum of its proper divisors (1641139456204).

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

1255350124340 is a wasteful number, since it uses less digits than its factorization.

1255350124340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377577 (or 377575 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 1255350124340 its reverse (434210535521), we get a palindrome (1689560659861).

The spelling of 1255350124340 in words is "one trillion, two hundred fifty-five billion, three hundred fifty million, one hundred twenty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 67 130 134 191 260 268 335 382 670 764 871 955 1340 1742 1910 2483 3484 3820 4355 4966 8710 9932 12415 12797 17420 24830 25594 49660 51188 63985 127970 166361 255940 332722 377297 665444 754594 831805 1509188 1663610 1886485 3327220 3772970 4904861 7545940 9809722 19619444 24524305 25278899 49048610 50557798 72063727 98097220 101115596 126394495 144127454 252788990 288254908 328625687 360318635 505577980 657251374 720637270 936828451 1314502748 1441274540 1643128435 1873656902 3286256870 3747313804 4684142255 4828269709 6572513740 9368284510 9656539418 18736569020 19313078836 24141348545 48282697090 62767506217 96565394180 125535012434 251070024868 313837531085 627675062170 1255350124340