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16054400020 = 2254319799433
BaseRepresentation
bin11101111001110101…
…01011010000010100
31112102212012000121011
432330322223100110
5230334411300040
611213021302004
71105562101651
oct167472532024
945385160534
1016054400020
11689932139a
123140704904
13168b1222a9
14ac4292c28
1563e68e3ea
hex3bceab414

16054400020 has 48 divisors (see below), whose sum is σ = 34519383360. Its totient is φ = 6268582656.

The previous prime is 16054400017. The next prime is 16054400027. The reversal of 16054400020 is 2000445061.

It is a junction number, because it is equal to n+sod(n) for n = 16054399964 and 16054400000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16054400027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1697224 + ... + 1706656.

It is an arithmetic number, because the mean of its divisors is an integer number (719153820).

Almost surely, 216054400020 is an apocalyptic number.

16054400020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16054400020 is an abundant number, since it is smaller than the sum of its proper divisors (18464983340).

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

16054400020 is a wasteful number, since it uses less digits than its factorization.

16054400020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11464 (or 11462 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 16054400020 its reverse (2000445061), we get a palindrome (18054845081).

The spelling of 16054400020 in words is "sixteen billion, fifty-four million, four hundred thousand, twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 1979 3958 7916 9433 9895 18866 19790 37732 39580 47165 85097 94330 170194 188660 340388 405619 425485 811238 850970 1622476 1701940 2028095 4056190 8112380 18667907 37335814 74671628 93339535 186679070 373358140 802720001 1605440002 3210880004 4013600005 8027200010 16054400020