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421042106969 = 1147979909301
BaseRepresentation
bin1100010000010000001…
…00001011001001011001
31111020210011000011020222
412020020010023021121
523344243234410334
6521231333325425
742263546600441
oct6101004131131
91436704004228
10421042106969
11152621324850
1269726196875
133091cba6a03
1416542a37121
15ae43db1d2e
hex620810b259

421042106969 has 8 divisors (see below), whose sum is σ = 460277579520. Its totient is φ = 381966454000.

The previous prime is 421042106963. The next prime is 421042107007. The reversal of 421042106969 is 969601240124.

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 421042106969 - 220 = 421041058393 is a prime.

It is a super-2 number, since 2×4210421069692 (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (421042106963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39949382 + ... + 39959919.

It is an arithmetic number, because the mean of its divisors is an integer number (57534697440).

Almost surely, 2421042106969 is an apocalyptic number.

It is an amenable number.

421042106969 is a deficient number, since it is larger than the sum of its proper divisors (39235472551).

421042106969 is a wasteful number, since it uses less digits than its factorization.

421042106969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79909791.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 421042106969 in words is "four hundred twenty-one billion, forty-two million, one hundred six thousand, nine hundred sixty-nine".

Divisors: 1 11 479 5269 79909301 879002311 38276555179 421042106969