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20131051334 = 252119319627
BaseRepresentation
bin10010101111111001…
…110111011101000110
31220221222010100212212
4102233321313131012
5312212022120314
613125330143422
71311603053522
oct225771673506
956858110785
1020131051334
1185a04a9909
123a99a21b72
131b8a8a0ac4
14d8d87ad82
157cc505e3e
hex4afe77746

20131051334 has 8 divisors (see below), whose sum is σ = 30254537448. Its totient is φ = 10046205520.

The previous prime is 20131051271. The next prime is 20131051337. The reversal of 20131051334 is 43315013102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131051337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9658772 + ... + 9660855.

It is an arithmetic number, because the mean of its divisors is an integer number (3781817181).

Almost surely, 220131051334 is an apocalyptic number.

20131051334 is a deficient number, since it is larger than the sum of its proper divisors (10123486114).

20131051334 is a wasteful number, since it uses less digits than its factorization.

20131051334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19320150.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 20131051334 its reverse (43315013102), we get a palindrome (63446064436).

The spelling of 20131051334 in words is "twenty billion, one hundred thirty-one million, fifty-one thousand, three hundred thirty-four".

Divisors: 1 2 521 1042 19319627 38639254 10065525667 20131051334