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310022104020 = 2235291031729841
BaseRepresentation
bin1001000001011101100…
…00011110001111010100
31002122012222021122212220
410200232300132033110
520034411124312040
6354231105342340
731253431255446
oct4405660361724
91078188248786
10310022104020
1110a5304393a2
12501019379b0
1323309288085
14110101ba496
1580e74862d0
hex482ec1e3d4

310022104020 has 96 divisors (see below), whose sum is σ = 906713982720. Its totient is φ = 79046768640.

The previous prime is 310022103973. The next prime is 310022104027. The reversal of 310022104020 is 20401220013.

It is a super-2 number, since 2×3100221040202 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310022104027) 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, 685701 + ... + 1044140.

It is an arithmetic number, because the mean of its divisors is an integer number (9444937320).

Almost surely, 2310022104020 is an apocalyptic number.

310022104020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

310022104020 is an abundant number, since it is smaller than the sum of its proper divisors (596691878700).

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

310022104020 is a wasteful number, since it uses less digits than its factorization.

310022104020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729985 (or 1729983 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 310022104020 its reverse (20401220013), we get a palindrome (330423324033).

The spelling of 310022104020 in words is "three hundred ten billion, twenty-two million, one hundred four thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 29 30 58 60 87 103 116 145 174 206 290 309 348 412 435 515 580 618 870 1030 1236 1545 1740 2060 2987 3090 5974 6180 8961 11948 14935 17922 29870 35844 44805 59740 89610 179220 1729841 3459682 5189523 6919364 8649205 10379046 17298410 20758092 25947615 34596820 50165389 51895230 100330778 103790460 150496167 178173623 200661556 250826945 300992334 356347246 501653890 534520869 601984668 712694492 752480835 890868115 1003307780 1069041738 1504961670 1781736230 2138083476 2672604345 3009923340 3563472460 5167035067 5345208690 10334070134 10690417380 15501105201 20668140268 25835175335 31002210402 51670350670 62004420804 77505526005 103340701340 155011052010 310022104020