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105440255224240 = 2451578819528859
BaseRepresentation
bin10111111110010110111000…
…111101010010100110110000
3111211022222201200022022000211
4113332112320331102212300
5102310013120314133430
61012130330132353504
731131543550440256
oct2776267075224660
9454288650268024
10105440255224240
1130661a632858a2
12b9ab040175894
1346aac8674c351
141c0749aba45d6
15c2cb229d872a
hex5fe5b8f529b0

105440255224240 has 80 divisors (see below), whose sum is σ = 246990109433760. Its totient is φ = 41859892039680.

The previous prime is 105440255224223. The next prime is 105440255224319. The reversal of 105440255224240 is 42422552044501.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×1054402552242403 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 105440255224193 and 105440255224202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6300931 + ... + 15829789.

It is an arithmetic number, because the mean of its divisors is an integer number (3087376367922).

Almost surely, 2105440255224240 is an apocalyptic number.

105440255224240 is a gapful number since it is divisible by the number (10) 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 105440255224240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123495054716880).

105440255224240 is an abundant number, since it is smaller than the sum of its proper divisors (141549854209520).

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

105440255224240 is a wasteful number, since it uses less digits than its factorization.

105440255224240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9529910 (or 9529904 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 40.

The spelling of 105440255224240 in words is "one hundred five trillion, four hundred forty billion, two hundred fifty-five million, two hundred twenty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 157 314 628 785 881 1256 1570 1762 2512 3140 3524 4405 6280 7048 8810 12560 14096 17620 35240 70480 138317 276634 553268 691585 1106536 1383170 2213072 2766340 5532680 9528859 11065360 19057718 38115436 47644295 76230872 95288590 152461744 190577180 381154360 762308720 1496030863 2992061726 5984123452 7480154315 8394924779 11968246904 14960308630 16789849558 23936493808 29920617260 33579699116 41974623895 59841234520 67159398232 83949247790 119682469040 134318796464 167898495580 335796991160 671593982320 1318003190303 2636006380606 5272012761212 6590015951515 10544025522424 13180031903030 21088051044848 26360063806060 52720127612120 105440255224240