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20031061234 = 220959477863
BaseRepresentation
bin10010101001111100…
…011011110011110010
31220200222222100020211
4102221330123303302
5312010422424414
613111355054334
71306250132302
oct225174336362
956628870224
1020031061234
11854a014868
123a704413aa
131b72c61972
14d8048d602
157c38543c4
hex4a9f1bcf2

20031061234 has 8 divisors (see below), whose sum is σ = 30048088320. Its totient is φ = 10015031796.

The previous prime is 20031061217. The next prime is 20031061241. The reversal of 20031061234 is 43216013002.

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, 197014 + ... + 280849.

It is an arithmetic number, because the mean of its divisors is an integer number (3756011040).

Almost surely, 220031061234 is an apocalyptic number.

20031061234 is a deficient number, since it is larger than the sum of its proper divisors (10017027086).

20031061234 is a wasteful number, since it uses less digits than its factorization.

20031061234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498824.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20031061234 its reverse (43216013002), we get a palindrome (63247074236).

The spelling of 20031061234 in words is "twenty billion, thirty-one million, sixty-one thousand, two hundred thirty-four".

Divisors: 1 2 20959 41918 477863 955726 10015530617 20031061234