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801020012 = 221319271601
BaseRepresentation
bin101111101111101…
…001100001101100
32001211021000212212
4233233221201230
53120030120022
6211252345552
725564362212
oct5757514154
92054230785
10801020012
11381178211
121a43152b8
13c9c4c250
1478552cb2
154a4c93e2
hex2fbe986c

801020012 has 72 divisors (see below), whose sum is σ = 1618378272. Its totient is φ = 344736000.

The previous prime is 801019981. The next prime is 801020023. The reversal of 801020012 is 210020108.

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, 1332512 + ... + 1333112.

It is an arithmetic number, because the mean of its divisors is an integer number (22477476).

Almost surely, 2801020012 is an apocalyptic number.

It is an amenable number.

801020012 is an abundant number, since it is smaller than the sum of its proper divisors (817358260).

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

801020012 is a wasteful number, since it uses less digits than its factorization.

801020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 801020012 is about 28302.2969385879. The cubic root of 801020012 is about 928.7121388523.

The spelling of 801020012 in words is "eight hundred one million, twenty thousand, twelve".

Divisors: 1 2 4 13 19 26 38 52 71 76 142 247 284 361 494 601 722 923 988 1202 1349 1444 1846 2404 2698 3692 4693 5396 7813 9386 11419 15626 17537 18772 22838 25631 31252 35074 42671 45676 51262 70148 85342 102524 148447 170684 216961 296894 333203 433922 554723 593788 666406 810749 867844 1109446 1332812 1621498 2218892 2820493 3242996 5640986 10539737 11281972 15404231 21079474 30808462 42158948 61616924 200255003 400510006 801020012