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1012010012020 = 225719736693619
BaseRepresentation
bin11101011101000000111…
…11110100110101110100
310120202011201101020202001
432232200133310311310
5113040044030341040
62052524434425044
7133054360112230
oct16564037646564
93522151336661
101012010012020
113602112a5767
12144174132184
1374580527527
1436da550d5c0
151b4d0d1359a
hexeba07f4d74

1012010012020 has 48 divisors (see below), whose sum is σ = 2441153151360. Its totient is φ = 345213558144.

The previous prime is 1012010011981. The next prime is 1012010012033. The reversal of 1012010012020 is 202100102101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1012010011988 and 1012010012006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18319230 + ... + 18374389.

It is an arithmetic number, because the mean of its divisors is an integer number (50857357320).

Almost surely, 21012010012020 is an apocalyptic number.

1012010012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012010012020 is an abundant number, since it is smaller than the sum of its proper divisors (1429143139340).

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

1012010012020 is a wasteful number, since it uses less digits than its factorization.

1012010012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36693832 (or 36693830 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1012010012020 its reverse (202100102101), we get a palindrome (1214110114121).

The spelling of 1012010012020 in words is "one trillion, twelve billion, ten million, twelve thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 197 394 788 985 1379 1970 2758 3940 5516 6895 13790 27580 36693619 73387238 146774476 183468095 256855333 366936190 513710666 733872380 1027421332 1284276665 2568553330 5137106660 7228642943 14457285886 28914571772 36143214715 50600500601 72286429430 101201001202 144572858860 202402002404 253002503005 506005006010 1012010012020