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20001010010 = 2561132124821
BaseRepresentation
bin10010101000001001…
…110011000101011010
31220121220102120201112
4102220021303011122
5311430224310020
613104403020322
71305433531352
oct225011630532
956556376645
1020001010010
118534059943
123a6236a6a2
131b6996c587
14d7a4a9b62
157c0dba2c5
hex4a827315a

20001010010 has 32 divisors (see below), whose sum is σ = 36621187344. Its totient is φ = 7862976000.

The previous prime is 20001009953. The next prime is 20001010021. The reversal of 20001010010 is 1001010002.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3933672961 + 16067337049 = 62719^2 + 126757^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 20001009976 and 20001010003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793400 + ... + 818220.

Almost surely, 220001010010 is an apocalyptic number.

20001010010 is a deficient number, since it is larger than the sum of its proper divisors (16620177334).

20001010010 is a wasteful number, since it uses less digits than its factorization.

20001010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26210.

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 20001010010 its reverse (1001010002), we get a palindrome (21002020012).

The spelling of 20001010010 in words is "twenty billion, one million, ten thousand, ten".

Divisors: 1 2 5 10 61 122 305 610 1321 2642 6605 13210 24821 49642 80581 124105 161162 248210 402905 805810 1514081 3028162 7570405 15140810 32788541 65577082 163942705 327885410 2000101001 4000202002 10000505005 20001010010