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3142420121 = 31139729269
BaseRepresentation
bin1011101101001101…
…1000011010011001
322010000000111000102
42323103120122121
522413424420441
61235452545145
7140605062461
oct27323303231
98100014012
103142420121
1113728a5825
127384821b5
133b105b2b9
1421b4baba1
15135d2769b
hexbb4d8699

3142420121 has 8 divisors (see below), whose sum is σ = 3267129600. Its totient is φ = 3019169520.

The previous prime is 3142420093. The next prime is 3142420163. The reversal of 3142420121 is 1210242413.

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

It is a cyclic number.

It is not a de Polignac number, because 3142420121 - 222 = 3138225817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3142420093 and 3142420102.

It is not an unprimeable number, because it can be changed into a prime (3142420321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360326 + ... + 368943.

It is an arithmetic number, because the mean of its divisors is an integer number (408391200).

Almost surely, 23142420121 is an apocalyptic number.

3142420121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3142420121 is a deficient number, since it is larger than the sum of its proper divisors (124709479).

3142420121 is a wasteful number, since it uses less digits than its factorization.

3142420121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729439.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 3142420121 is about 56057.2932007959. The cubic root of 3142420121 is about 1464.7204630755.

Adding to 3142420121 its reverse (1210242413), we get a palindrome (4352662534).

The spelling of 3142420121 in words is "three billion, one hundred forty-two million, four hundred twenty thousand, one hundred twenty-one".

Divisors: 1 31 139 4309 729269 22607339 101368391 3142420121