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253137731352 = 233112936379091
BaseRepresentation
bin1110101111000000101…
…1110011111100011000
3220012101121022010100120
43223300023303330120
513121411224400402
6312142340033240
724200663133402
oct3536013637430
9805347263316
10253137731352
119839a717260
1241087392820
131ab42167c6c
14c37542bb72
1568b85173bc
hex3af02f3f18

253137731352 has 128 divisors (see below), whose sum is σ = 714456633600. Its totient is φ = 74034777600.

The previous prime is 253137731347. The next prime is 253137731393.

253137731352 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2531377313522 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27840327 + ... + 27849417.

It is an arithmetic number, because the mean of its divisors is an integer number (5581692450).

Almost surely, 2253137731352 is an apocalyptic number.

253137731352 is a gapful number since it is divisible by the number (22) 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 253137731352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357228316800).

253137731352 is an abundant number, since it is smaller than the sum of its proper divisors (461318902248).

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

253137731352 is a wasteful number, since it uses less digits than its factorization.

253137731352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12777 (or 12773 counting only the distinct ones).

The product of its digits is 396900, while the sum is 42.

It can be divided in two parts, 253137 and 731352, that added together give a palindrome (984489).

The spelling of 253137731352 in words is "two hundred fifty-three billion, one hundred thirty-seven million, seven hundred thirty-one thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 29 33 44 58 66 87 88 116 132 174 232 264 319 348 638 696 957 1276 1914 2552 3637 3828 7274 7656 9091 10911 14548 18182 21822 27273 29096 36364 40007 43644 54546 72728 80014 87288 100001 105473 109092 120021 160028 200002 210946 218184 240042 263639 300003 316419 320056 400004 421892 480084 527278 600006 632838 790917 800008 843784 960168 1054556 1160203 1200012 1265676 1581834 2109112 2320406 2400024 2531352 2900029 3163668 3480609 4640812 5800058 6327336 6961218 8700087 9281624 11600116 13922436 17400174 23200232 27844872 33063967 34800348 66127934 69600696 99191901 132255868 198383802 264511736 363703637 396767604 727407274 793535208 958855043 1091110911 1454814548 1917710086 2182221822 2876565129 2909629096 3835420172 4364443644 5753130258 7670840344 8728887288 10547405473 11506260516 21094810946 23012521032 31642216419 42189621892 63284432838 84379243784 126568865676 253137731352