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20982962106 = 2321975917361
BaseRepresentation
bin10011100010101011…
…101001011110111010
32000011100010220202200
4103202223221132322
5320433114241411
613350041411030
71341656143431
oct234253513672
960140126680
1020982962106
118998375aa7
124097199a76
131c9522aa12
141030a7a118
1582c1d3e56
hex4e2ae97ba

20982962106 has 24 divisors (see below), whose sum is σ = 45693869364. Its totient is φ = 6958815360.

The previous prime is 20982962089. The next prime is 20982962149. The reversal of 20982962106 is 60126928902.

It can be written as a sum of positive squares in 2 ways, for example, as 20949957081 + 33005025 = 144741^2 + 5745^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2955135 + ... + 2962226.

Almost surely, 220982962106 is an apocalyptic number.

20982962106 is an abundant number, since it is smaller than the sum of its proper divisors (24710907258).

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

20982962106 is a wasteful number, since it uses less digits than its factorization.

20982962106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5917566 (or 5917563 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 20982962106 in words is "twenty billion, nine hundred eighty-two million, nine hundred sixty-two thousand, one hundred six".

Divisors: 1 2 3 6 9 18 197 394 591 1182 1773 3546 5917361 11834722 17752083 35504166 53256249 106512498 1165720117 2331440234 3497160351 6994320702 10491481053 20982962106