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100031022230220 = 223255323910438361
BaseRepresentation
bin10110101111101001001001…
…100010111110101011001100
3111010011212112221010002220100
4112233221021202332223030
5101102402013142331340
6552425341152451100
730033000660560154
oct2657511142765314
9433155487102810
10100031022230220
1129966a11277974
12b276822b49a90
1343a7b6722c7a3
141a9b754d13764
15b8708301b830
hex5afa498beacc

100031022230220 has 72 divisors (see below), whose sum is σ = 303433162512480. Its totient is φ = 26674435664640.

The previous prime is 100031022230219. The next prime is 100031022230239. The reversal of 100031022230220 is 22032220130001.

100031022230220 is a `hidden beast` number, since 10 + 0 + 0 + 310 + 2 + 22 + 302 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 100031022230193 and 100031022230202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4363840 + ... + 14802200.

It is an arithmetic number, because the mean of its divisors is an integer number (4214349479340).

Almost surely, 2100031022230220 is an apocalyptic number.

100031022230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100031022230220 is an abundant number, since it is smaller than the sum of its proper divisors (203402140282260).

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

100031022230220 is a wasteful number, since it uses less digits than its factorization.

100031022230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10491615 (or 10491610 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 100031022230220 its reverse (22032220130001), we get a palindrome (122063242360221).

The spelling of 100031022230220 in words is "one hundred trillion, thirty-one billion, twenty-two million, two hundred thirty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 53239 106478 159717 212956 266195 319434 479151 532390 638868 798585 958302 1064780 1597170 1916604 2395755 3194340 4791510 9583020 10438361 20876722 31315083 41753444 52191805 62630166 93945249 104383610 125260332 156575415 187890498 208767220 313150830 375780996 469726245 626301660 939452490 1878904980 555727901279 1111455802558 1667183703837 2222911605116 2778639506395 3334367407674 5001551111511 5557279012790 6668734815348 8335918519185 10003102223022 11114558025580 16671837038370 20006204446044 25007755557555 33343674076740 50015511115110 100031022230220