Search a number
-
+
61262936216 = 2319478575439
BaseRepresentation
bin111001000011100011…
…100011100010011000
312212010112000121112122
4321003203203202120
52000431302424331
644051021200412
74266103236326
oct710343434230
9185115017478
1061262936216
1123a8836a7a9
12ba58a00108
135a142b8c21
142d724c6d16
1518d857117b
hexe438e3898

61262936216 has 32 divisors (see below), whose sum is σ = 123486336000. Its totient is φ = 28401850656.

The previous prime is 61262936213. The next prime is 61262936233. The reversal of 61262936216 is 61263926216.

It is a super-4 number, since 4×612629362164 (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61262936213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4280576 + ... + 4294863.

It is an arithmetic number, because the mean of its divisors is an integer number (3858948000).

Almost surely, 261262936216 is an apocalyptic number.

It is an amenable number.

61262936216 is an abundant number, since it is smaller than the sum of its proper divisors (62223399784).

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

61262936216 is a wasteful number, since it uses less digits than its factorization.

61262936216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8575511 (or 8575507 counting only the distinct ones).

The product of its digits is 279936, while the sum is 44.

The spelling of 61262936216 in words is "sixty-one billion, two hundred sixty-two million, nine hundred thirty-six thousand, two hundred sixteen".

Divisors: 1 2 4 8 19 38 47 76 94 152 188 376 893 1786 3572 7144 8575439 17150878 34301756 68603512 162933341 325866682 403045633 651733364 806091266 1303466728 1612182532 3224365064 7657867027 15315734054 30631468108 61262936216