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20130001142 = 21011272692917
BaseRepresentation
bin10010101111110101…
…110111000011110110
31220221220011000021212
4102233311313003312
5312211240014032
613125251441422
71311561120656
oct225765670366
956856130255
1020130001142
11859a951889
123a995b6272
131b8a5c3aa4
14d8d686366
157cc399bb2
hex4afd770f6

20130001142 has 32 divisors (see below), whose sum is σ = 30858900480. Its totient is φ = 9846748800.

The previous prime is 20130001141. The next prime is 20130001169. The reversal of 20130001142 is 24110003102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130001141) 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, 6899468 + ... + 6902384.

It is an arithmetic number, because the mean of its divisors is an integer number (964340640).

Almost surely, 220130001142 is an apocalyptic number.

20130001142 is a deficient number, since it is larger than the sum of its proper divisors (10728899338).

20130001142 is a wasteful number, since it uses less digits than its factorization.

20130001142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20130001142 its reverse (24110003102), we get a palindrome (44240004244).

The spelling of 20130001142 in words is "twenty billion, one hundred thirty million, one thousand, one hundred forty-two".

Divisors: 1 2 101 127 202 254 269 538 2917 5834 12827 25654 27169 34163 54338 68326 294617 370459 589234 740918 784673 1569346 3450463 6900926 37416359 74832718 79251973 99653471 158503946 199306942 10065000571 20130001142