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308420670000 = 24354101101789
BaseRepresentation
bin1000111110011110100…
…11011111001000110000
31002111002100220101101210
410133033103133020300
520023121142420000
6353404141200120
731165644303552
oct4371723371060
91074070811353
10308420670000
11109889478303
124b935560040
132311256c691
1410cdb6314d2
158051aa2350
hex47cf4df230

308420670000 has 200 divisors, whose sum is σ = 1005490577520. Its totient is φ = 81430400000.

The previous prime is 308420669983. The next prime is 308420670031. The reversal of 308420670000 is 76024803.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 308420670000.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2979106 + ... + 3080894.

Almost surely, 2308420670000 is an apocalyptic number.

308420670000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 308420670000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502745288760).

308420670000 is an abundant number, since it is smaller than the sum of its proper divisors (697069907520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

308420670000 is a wasteful number, since it uses less digits than its factorization.

308420670000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101921 (or 101900 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

Adding to 308420670000 its reverse (76024803), we get a palindrome (308496694803).

The spelling of 308420670000 in words is "three hundred eight billion, four hundred twenty million, six hundred seventy thousand".