Search a number
-
+
421229985959 = 1973929999999
BaseRepresentation
bin1100010000100110100…
…00111000000010100111
31111021021020112101210002
412020103100320002213
523400134334022314
6521302124251515
742301320542546
oct6102320700247
91437236471702
10421229985959
11152708389042
12697790a0b9b
133094caa8c03
141655d98215d
15ae55624ade
hex62134380a7

421229985959 has 8 divisors (see below), whose sum is σ = 444000000000. Its totient is φ = 398519973432.

The previous prime is 421229985863. The next prime is 421229985971. The reversal of 421229985959 is 959589922124.

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 421229985959 - 220 = 421228937383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421229985895 and 421229985904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421229955959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14985959 + ... + 15014040.

It is an arithmetic number, because the mean of its divisors is an integer number (55500000000).

Almost surely, 2421229985959 is an apocalyptic number.

421229985959 is a deficient number, since it is larger than the sum of its proper divisors (22770014041).

421229985959 is a wasteful number, since it uses less digits than its factorization.

421229985959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30000757.

The product of its digits is 41990400, while the sum is 65.

The spelling of 421229985959 in words is "four hundred twenty-one billion, two hundred twenty-nine million, nine hundred eighty-five thousand, nine hundred fifty-nine".

Divisors: 1 19 739 14041 29999999 569999981 22169999261 421229985959