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1068142141 = 113802511
BaseRepresentation
bin111111101010101…
…000111000111101
32202102220020120001
4333222220320331
54141421022031
6253553554301
735320026013
oct7752507075
92672806501
101068142141
114a8a36000
12259875991
131403a8191
14a1c088b3
1563b91861
hex3faa8e3d

1068142141 has 8 divisors (see below), whose sum is σ = 1174877568. Its totient is φ = 971037100.

The previous prime is 1068142109. The next prime is 1068142177. The reversal of 1068142141 is 1412418601.

It is not a de Polignac number, because 1068142141 - 25 = 1068142109 is a prime.

It is a super-2 number, since 2×10681421412 = 2281855266760127762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068142841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399925 + ... + 402586.

It is an arithmetic number, because the mean of its divisors is an integer number (146859696).

Almost surely, 21068142141 is an apocalyptic number.

1068142141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1068142141 is a deficient number, since it is larger than the sum of its proper divisors (106735427).

1068142141 is an frugal number, since it uses more digits than its factorization.

1068142141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802544 (or 802522 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1068142141 is about 32682.4439263651. The cubic root of 1068142141 is about 1022.2168052595.

The spelling of 1068142141 in words is "one billion, sixty-eight million, one hundred forty-two thousand, one hundred forty-one".

Divisors: 1 11 121 1331 802511 8827621 97103831 1068142141