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203054232436 = 221129237433449
BaseRepresentation
bin1011110100011011111…
…0011011001101110100
3201102010012100202202021
42331012332123031310
511311323340414221
6233140512522524
720445605332516
oct2750676331564
9642105322667
10203054232436
1179129903240
123342a550444
13161c00113c3
149b839a3bb6
15543667c041
hex2f46f9b374

203054232436 has 144 divisors (see below), whose sum is σ = 422039217600. Its totient is φ = 84665226240.

The previous prime is 203054232431. The next prime is 203054232463. The reversal of 203054232436 is 634232450302.

It is a super-2 number, since 2×2030542324362 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203054232431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58871640 + ... + 58875088.

It is an arithmetic number, because the mean of its divisors is an integer number (2930827900).

Almost surely, 2203054232436 is an apocalyptic number.

It is an amenable number.

203054232436 is an abundant number, since it is smaller than the sum of its proper divisors (218984985164).

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

203054232436 is a wasteful number, since it uses less digits than its factorization.

203054232436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602 (or 3571 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 203054232436 its reverse (634232450302), we get a palindrome (837286682738).

The spelling of 203054232436 in words is "two hundred three billion, fifty-four million, two hundred thirty-two thousand, four hundred thirty-six".

Divisors: 1 2 4 11 22 29 37 43 44 58 74 86 116 148 172 319 407 473 638 814 841 946 1073 1247 1276 1591 1628 1682 1892 2146 2494 3182 3364 3449 4292 4988 6364 6898 9251 11803 13717 13796 17501 18502 23606 27434 31117 35002 36163 37004 37939 46139 47212 54868 62234 70004 72326 75878 92278 100021 124468 127613 144652 148307 151756 184556 200042 255226 296614 342287 397793 400084 507529 510452 593228 684574 795586 1015058 1100231 1338031 1369148 1403743 1591172 1631377 2030116 2200462 2676062 2807486 2900609 3262754 3700777 4300903 4400924 5352124 5487359 5614972 5801218 6525508 7401554 8601806 10974718 11602436 14718341 14803108 17203612 21949436 29436682 31906699 40708547 47309933 58873364 60360949 63813398 81417094 94619866 107322533 120721898 124726187 127626796 159133411 162834188 189239732 214645066 241443796 249452374 318266822 429290132 498904748 636533644 1180547863 1371988057 1750467521 2361095726 2743976114 3500935042 4614868919 4722191452 5487952228 7001870084 9229737838 18459475676 50763558109 101527116218 203054232436