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420687074304 = 21036733153
BaseRepresentation
bin1100001111100101110…
…01110101010000000000
31111012212101221122000000
412013302321311100000
523343031342334204
6521132212000000
742252006063000
oct6076271652000
91435771848000
10420687074304
11152459982522
1269647300000
133089447ac03
141650b81a000
15ae22b32039
hex61f2e75400

420687074304 has 1232 divisors, whose sum is σ = 1546470835200. Its totient is φ = 114124308480.

The previous prime is 420687074239. The next prime is 420687074323. The reversal of 420687074304 is 403470786024.

420687074304 is a `hidden beast` number, since 4 + 206 + 8 + 7 + 0 + 7 + 430 + 4 = 666.

It is a super-2 number, since 2×4206870743042 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 420687074304.

It is a congruent number.

It is an unprimeable number.

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 111 ways as a sum of consecutive naturals, for example, 7937491942 + ... + 7937491994.

Almost surely, 2420687074304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420687074304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (773235417600).

420687074304 is an abundant number, since it is smaller than the sum of its proper divisors (1125783760896).

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

420687074304 is an frugal number, since it uses more digits than its factorization.

420687074304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The spelling of 420687074304 in words is "four hundred twenty billion, six hundred eighty-seven million, seventy-four thousand, three hundred four".