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52988241138 = 2375930769653
BaseRepresentation
bin110001010110010110…
…000110010011110010
312001202211201112211120
4301112112012103302
51332004442204023
640201545523110
73554045422020
oct612626062362
9161684645746
1052988241138
1120521531928
12a3297a3496
134cc5b97c51
1427c9555710
1515a1db48e3
hexc565864f2

52988241138 has 64 divisors (see below), whose sum is σ = 123571768320. Its totient is φ = 14834204352.

The previous prime is 52988241127. The next prime is 52988241223. The reversal of 52988241138 is 83114288925.

It is a super-3 number, since 3×529882411383 (a number of 33 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 725920 + ... + 795572.

It is an arithmetic number, because the mean of its divisors is an integer number (1930808880).

Almost surely, 252988241138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52988241138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61785884160).

52988241138 is an abundant number, since it is smaller than the sum of its proper divisors (70583527182).

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

52988241138 is a wasteful number, since it uses less digits than its factorization.

52988241138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70031.

The product of its digits is 1105920, while the sum is 51.

The spelling of 52988241138 in words is "fifty-two billion, nine hundred eighty-eight million, two hundred forty-one thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 59 118 177 307 354 413 614 826 921 1239 1842 2149 2478 4298 6447 12894 18113 36226 54339 69653 108678 126791 139306 208959 253582 380373 417918 487571 760746 975142 1462713 2925426 4109527 8219054 12328581 21383471 24657162 28766689 42766942 57533378 64150413 86300067 128300826 149684297 172600134 299368594 449052891 898105782 1261624789 2523249578 3784874367 7569748734 8831373523 17662747046 26494120569 52988241138