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16106400620 = 225805320031
BaseRepresentation
bin11110000000000010…
…00010101101101100
31112120111000221000022
433000001002231230
5230441214304440
611222120021312
71110063101132
oct170001025554
945514027008
1016106400620
1169157091a2
123156001838
131698b2b18b
14acb14b752
15644011cb5
hex3c0042b6c

16106400620 has 12 divisors (see below), whose sum is σ = 33823441344. Its totient is φ = 6442560240.

The previous prime is 16106400589. The next prime is 16106400649. The reversal of 16106400620 is 2600460161.

It is a happy number.

It is a super-2 number, since 2×161064006202 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16106400620.

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 3 ways as a sum of consecutive naturals, for example, 402659996 + ... + 402660035.

It is an arithmetic number, because the mean of its divisors is an integer number (2818620112).

Almost surely, 216106400620 is an apocalyptic number.

16106400620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16106400620 is an abundant number, since it is smaller than the sum of its proper divisors (17717040724).

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

16106400620 is a wasteful number, since it uses less digits than its factorization.

16106400620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805320040 (or 805320038 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 16106400620 its reverse (2600460161), we get a palindrome (18706860781).

The spelling of 16106400620 in words is "sixteen billion, one hundred six million, four hundred thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 805320031 1610640062 3221280124 4026600155 8053200310 16106400620