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421956300960 = 253251757130187
BaseRepresentation
bin1100010001111101000…
…11100011000010100000
31111100010212020000122200
412020332203203002200
523403131303112320
6521502151533200
742325320244155
oct6107643430240
91440125200580
10421956300960
11152a50371277
126994038a200
1330a373ccbbc
14165cc20a22c
15ae99294290
hex623e8e30a0

421956300960 has 288 divisors, whose sum is σ = 1527348094272. Its totient is φ = 105713786880.

The previous prime is 421956300947. The next prime is 421956301021. The reversal of 421956300960 is 69003659124.

421956300960 is a `hidden beast` number, since 4 + 2 + 1 + 9 + 5 + 630 + 0 + 9 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13962987 + ... + 13993173.

It is an arithmetic number, because the mean of its divisors is an integer number (5303291994).

Almost surely, 2421956300960 is an apocalyptic number.

421956300960 is a gapful number since it is divisible by the number (40) 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 421956300960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763674047136).

421956300960 is an abundant number, since it is smaller than the sum of its proper divisors (1105391793312).

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

421956300960 is a wasteful number, since it uses less digits than its factorization.

421956300960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30796 (or 30785 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 421956300960 in words is "four hundred twenty-one billion, nine hundred fifty-six million, three hundred thousand, nine hundred sixty".