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28354029122 = 217833942033
BaseRepresentation
bin11010011010000010…
…000010011001000010
32201012001002220210202
4122122002002121002
5431032112412442
621005313125202
72022432161636
oct323202023102
981161086722
1028354029122
1111030123821
1255b3859802
13289b384b33
14152d9c8dc6
15b0e398c32
hex69a082642

28354029122 has 8 divisors (see below), whose sum is σ = 45032869836. Its totient is φ = 13343072512.

The previous prime is 28354029113. The next prime is 28354029299. The reversal of 28354029122 is 22192045382.

It can be written as a sum of positive squares in 2 ways, for example, as 28331285761 + 22743361 = 168319^2 + 4769^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416970983 + ... + 416971050.

Almost surely, 228354029122 is an apocalyptic number.

28354029122 is a deficient number, since it is larger than the sum of its proper divisors (16678840714).

28354029122 is a wasteful number, since it uses less digits than its factorization.

28354029122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833942052.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 28354029122 in words is "twenty-eight billion, three hundred fifty-four million, twenty-nine thousand, one hundred twenty-two".

Divisors: 1 2 17 34 833942033 1667884066 14177014561 28354029122