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20010312004 = 22191491767071
BaseRepresentation
bin10010101000101101…
…010010000101000100
31220122112221011122211
4102220231102011010
5311440114441004
613105334233204
71305605563024
oct225055220504
956575834584
1020010312004
118539332641
123a654b5804
131b6b878507
14d7b80ba84
157c1b06504
hex4a8b52144

20010312004 has 24 divisors (see below), whose sum is σ = 37108512000. Its totient is φ = 9414948960.

The previous prime is 20010311987. The next prime is 20010312059. The reversal of 20010312004 is 40021301002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872212 + ... + 894859.

It is an arithmetic number, because the mean of its divisors is an integer number (1546188000).

Almost surely, 220010312004 is an apocalyptic number.

It is an amenable number.

20010312004 is a deficient number, since it is larger than the sum of its proper divisors (17098199996).

20010312004 is a wasteful number, since it uses less digits than its factorization.

20010312004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767243 (or 1767241 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20010312004 its reverse (40021301002), we get a palindrome (60031613006).

The spelling of 20010312004 in words is "twenty billion, ten million, three hundred twelve thousand, four".

Divisors: 1 2 4 19 38 76 149 298 596 2831 5662 11324 1767071 3534142 7068284 33574349 67148698 134297396 263293579 526587158 1053174316 5002578001 10005156002 20010312004