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23029285378 = 2118811188179
BaseRepresentation
bin10101011100101001…
…110000001000000010
32012102221122220120111
4111130221300020002
5334130444113003
614325101301534
71443454460461
oct253451601002
965387586514
1023029285378
119848481a60
1245685648aa
132230173aa8
1411867529d8
158ebb96e6d
hex55ca70202

23029285378 has 16 divisors (see below), whose sum is σ = 37727091360. Its totient is φ = 10455966400.

The previous prime is 23029285373. The next prime is 23029285379. The reversal of 23029285378 is 87358292032.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23029285373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574708 + ... + 613471.

It is an arithmetic number, because the mean of its divisors is an integer number (2357943210).

Almost surely, 223029285378 is an apocalyptic number.

23029285378 is a deficient number, since it is larger than the sum of its proper divisors (14697805982).

23029285378 is a wasteful number, since it uses less digits than its factorization.

23029285378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189073.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 23029285378 in words is "twenty-three billion, twenty-nine million, two hundred eighty-five thousand, three hundred seventy-eight".

Divisors: 1 2 11 22 881 1762 9691 19382 1188179 2376358 13069969 26139938 1046785699 2093571398 11514642689 23029285378