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401477068180 = 225109118399499
BaseRepresentation
bin1011101011110011110…
…01011110010110010100
31102101021121221012121201
411311321321132112110
523034211112140210
6504234102522244
741001655526146
oct5657171362624
91371247835551
10401477068180
111452a137a601
1265985a36384
132bb22661896
1415608416c96
15a69b41353a
hex5d79e5e594

401477068180 has 24 divisors (see below), whose sum is σ = 843874668000. Its totient is φ = 160443622560.

The previous prime is 401477068147. The next prime is 401477068243. The reversal of 401477068180 is 81860774104.

It is a super-2 number, since 2×4014770681802 (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 401477068180.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9177930 + ... + 9221569.

It is an arithmetic number, because the mean of its divisors is an integer number (35161444500).

Almost surely, 2401477068180 is an apocalyptic number.

It is an amenable number.

401477068180 is an abundant number, since it is smaller than the sum of its proper divisors (442397599820).

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

401477068180 is a wasteful number, since it uses less digits than its factorization.

401477068180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18400599 (or 18400597 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 401477068180 in words is "four hundred one billion, four hundred seventy-seven million, sixty-eight thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 1091 2182 4364 5455 10910 21820 18399499 36798998 73597996 91997495 183994990 367989980 20073853409 40147706818 80295413636 100369267045 200738534090 401477068180