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128090040101 = 3832531132137
BaseRepresentation
bin111011101001011000…
…0101110011100100101
3110020121211000020012022
41313102300232130211
54044312022240401
6134502130032525
712153122243102
oct1672260563445
9406554006168
10128090040101
114a360540a81
12209a9118745
13c10429474a
1462b196baa9
1534ea33971b
hex1dd2c2e725

128090040101 has 8 divisors (see below), whose sum is σ = 128476191744. Its totient is φ = 127704158560.

The previous prime is 128090040019. The next prime is 128090040137. The reversal of 128090040101 is 101040090821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-128090040101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128090040401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903305 + ... + 1035441.

It is an arithmetic number, because the mean of its divisors is an integer number (16059523968).

Almost surely, 2128090040101 is an apocalyptic number.

It is an amenable number.

128090040101 is a deficient number, since it is larger than the sum of its proper divisors (386151643).

128090040101 is a wasteful number, since it uses less digits than its factorization.

128090040101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135051.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 128090040101 in words is "one hundred twenty-eight billion, ninety million, forty thousand, one hundred one".

Divisors: 1 383 2531 132137 969373 50608471 334438747 128090040101