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293115042801 = 32742921272
BaseRepresentation
bin1000100001111110000…
…01001001101111110001
31001000120200122222000100
410100333001021233301
514300244422332201
6342353304343013
730114443520000
oct4207701115761
91030520588010
10293115042801
11103344889029
1248983774a69
1321843605439
14102889b0c37
15795801b886
hex443f049bf1

293115042801 has 135 divisors (see below), whose sum is σ = 515602508811. Its totient is φ = 160445269152.

The previous prime is 293115042769. The next prime is 293115042821. The reversal of 293115042801 is 108240511392.

The square root of 293115042801 is 541401.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 153702418401 + 139412624400 = 392049^2 + 373380^2 .

It is not a de Polignac number, because 293115042801 - 25 = 293115042769 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (293115042821) by changing a digit.

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 134 ways as a sum of consecutive naturals, for example, 2307992400 + ... + 2307992526.

Almost surely, 2293115042801 is an apocalyptic number.

293115042801 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

293115042801 is the 541401-st square number.

293115042801 is the 270701-st centered octagonal number.

It is an amenable number.

293115042801 is a deficient number, since it is larger than the sum of its proper divisors (222487466010).

293115042801 is an frugal number, since it uses more digits than its factorization.

293115042801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

Multiplying 293115042801 by its sum of digits (36), we get a square (10552141540836 = 32484062).

The spelling of 293115042801 in words is "two hundred ninety-three billion, one hundred fifteen million, forty-two thousand, eight hundred one".

Divisors: 1 3 7 9 21 29 49 63 87 127 147 203 261 343 381 441 609 841 889 1029 1143 1421 1827 2401 2523 2667 3087 3683 4263 5887 6223 7203 7569 8001 9947 11049 12789 16129 17661 18669 21609 25781 29841 33147 41209 43561 48387 52983 56007 69629 77343 89523 106807 112903 123627 130683 145161 180467 208887 232029 288463 304927 320421 338709 370881 392049 467741 541401 626661 747649 790321 865389 914781 961263 1016127 1263269 1403223 1624203 2019241 2242947 2370963 2596167 2744343 3274187 3789807 4209669 5233543 5532247 6057723 6728841 7112889 8842883 9822561 11369421 13564489 15700629 16596741 18173169 22919309 26528649 29467683 36634801 38725729 40693467 47101887 49790223 68757927 79585947 94951423 109904403 116177187 122080401 160435163 206273781 256443607 284854269 329713209 348531561 481305489 664659961 769330821 854562807 1123046141 1443916467 1993979883 2307992463 3369138423 4652619727 5981939649 10107415269 13957859181 32568338089 41873577543 97705014267 293115042801