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1020311404024 = 231167399172027
BaseRepresentation
bin11101101100011110100…
…11000111110111111000
310121112121020220122202011
432312033103013313320
5113204044204412044
62100420302215304
7133500160560253
oct16661723076770
93545536818664
101020311404024
11363791208410
121458b0284534
13752a4334bc3
1437551c3009a
151b8199e5134
hexed8f4c7df8

1020311404024 has 32 divisors (see below), whose sum is σ = 2087043696000. Its totient is φ = 463768333920.

The previous prime is 1020311403973. The next prime is 1020311404061. The reversal of 1020311404024 is 4204041130201.

It is a happy number.

It is a super-2 number, since 2×10203114040242 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1020311403986 and 1020311404004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5845099 + ... + 6017125.

It is an arithmetic number, because the mean of its divisors is an integer number (65220115500).

Almost surely, 21020311404024 is an apocalyptic number.

It is an amenable number.

1020311404024 is an abundant number, since it is smaller than the sum of its proper divisors (1066732291976).

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

1020311404024 is a wasteful number, since it uses less digits than its factorization.

1020311404024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239443 (or 239439 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1020311404024 its reverse (4204041130201), we get a palindrome (5224352534225).

The spelling of 1020311404024 in words is "one trillion, twenty billion, three hundred eleven million, four hundred four thousand, twenty-four".

Divisors: 1 2 4 8 11 22 44 88 67399 134798 172027 269596 344054 539192 688108 741389 1376216 1482778 1892297 2965556 3784594 5931112 7569188 15138376 11594447773 23188895546 46377791092 92755582184 127538925503 255077851006 510155702012 1020311404024