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4028048805161 = 31792188175169
BaseRepresentation
bin111010100111011010011…
…010110000110100101001
3112021002002122110122011202
4322213122122300310221
51011443420443231121
612322243213133545
7564005542630223
oct72473232606451
915232078418152
104028048805161
1113133165a3087
125507b548a2b5
13232ac6b73a74
14dcd5c595413
156eba366240b
hex3a9da6b0d29

4028048805161 has 16 divisors (see below), whose sum is σ = 4210867046400. Its totient is φ = 3848541465600.

The previous prime is 4028048805133. The next prime is 4028048805191. The reversal of 4028048805161 is 1615088408204.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4028048805161 - 218 = 4028048543017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4028048805191) 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, 53548985 + ... + 53624153.

It is an arithmetic number, because the mean of its divisors is an integer number (263179190400).

Almost surely, 24028048805161 is an apocalyptic number.

It is an amenable number.

4028048805161 is a deficient number, since it is larger than the sum of its proper divisors (182818241239).

4028048805161 is a wasteful number, since it uses less digits than its factorization.

4028048805161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97160.

The product of its (nonzero) digits is 491520, while the sum is 47.

The spelling of 4028048805161 in words is "four trillion, twenty-eight billion, forty-eight million, eight hundred five thousand, one hundred sixty-one".

Divisors: 1 31 79 2449 21881 75169 678311 1728599 2330239 5938351 53586569 184088881 1644772889 50987959559 129937058231 4028048805161