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1108105341972 = 2231931449349171
BaseRepresentation
bin10000001000000000001…
…110011010110000010100
310220221012202200210122120
4100020000032122300110
5121123344431420342
62205020115055540
7143025611666106
oct20100016326024
93827182623576
101108105341972
11397a43639422
1215a9122a15b0
13806560b2505
143b8bdb53576
151dc57358aec
hex1020039ac14

1108105341972 has 96 divisors (see below), whose sum is σ = 2815723008000. Its totient is φ = 337884825600.

The previous prime is 1108105341971. The next prime is 1108105341977. The reversal of 1108105341972 is 2791435018011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108105341971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2998947 + ... + 3348117.

It is an arithmetic number, because the mean of its divisors is an integer number (29330448000).

Almost surely, 21108105341972 is an apocalyptic number.

1108105341972 is a gapful number since it is divisible by the number (12) 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 1108105341972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1407861504000).

1108105341972 is an abundant number, since it is smaller than the sum of its proper divisors (1707617666028).

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

1108105341972 is a wasteful number, since it uses less digits than its factorization.

1108105341972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349677 (or 349675 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 42.

The spelling of 1108105341972 in words is "one trillion, one hundred eight billion, one hundred five million, three hundred forty-one thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 19 31 38 57 62 76 93 114 124 186 228 372 449 589 898 1178 1347 1767 1796 2356 2694 3534 5388 7068 8531 13919 17062 25593 27838 34124 41757 51186 55676 83514 102372 167028 264461 349171 528922 698342 793383 1047513 1057844 1396684 1586766 2095026 3173532 4190052 6634249 10824301 13268498 19902747 21648602 26536996 32472903 39805494 43297204 64945806 79610988 129891612 156777779 205661719 313555558 411323438 470333337 616985157 627111116 822646876 940666674 1233970314 1881333348 2467940628 2978777801 4860111149 5957555602 8936333403 9720222298 11915111204 14580333447 17872666806 19440444596 29160666894 35745333612 58321333788 92342111831 184684223662 277026335493 369368447324 554052670986 1108105341972