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162402994893 = 31910726627807
BaseRepresentation
bin1001011100111111111…
…0010000101011001101
3120112012010212221021210
42113033332100223031
510130100131314033
6202335031445033
714506332452136
oct2271776205315
9515163787253
10162402994893
1162969290857
1227584526779
13124120637a9
147c08b12c8d
154357905d63
hex25cff90acd

162402994893 has 16 divisors (see below), whose sum is σ = 230064261120. Its totient is φ = 101611707696.

The previous prime is 162402994889. The next prime is 162402994909. The reversal of 162402994893 is 398499204261.

It is not a de Polignac number, because 162402994893 - 22 = 162402994889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162402994883) 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, 13307805 + ... + 13320002.

It is an arithmetic number, because the mean of its divisors is an integer number (14379016320).

Almost surely, 2162402994893 is an apocalyptic number.

It is an amenable number.

162402994893 is a deficient number, since it is larger than the sum of its proper divisors (67661266227).

162402994893 is a wasteful number, since it uses less digits than its factorization.

162402994893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26627936.

The product of its (nonzero) digits is 6718464, while the sum is 57.

The spelling of 162402994893 in words is "one hundred sixty-two billion, four hundred two million, nine hundred ninety-four thousand, eight hundred ninety-three".

Divisors: 1 3 19 57 107 321 2033 6099 26627807 79883421 505928333 1517784999 2849175349 8547526047 54134331631 162402994893