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401385287202 = 231571934574831
BaseRepresentation
bin1011101011101000110…
…11010110111000100010
31102101001020020020210020
411311310123112320202
523034014113142302
6504221023414310
740666462435134
oct5656433267042
91371036206706
10401385287202
11145254592159
126595b154396
132bb09638103
14155da165054
15a693333ebc
hex5d746d6e22

401385287202 has 64 divisors (see below), whose sum is σ = 814015110144. Its totient is φ = 131937361920.

The previous prime is 401385287179. The next prime is 401385287207. The reversal of 401385287202 is 202782583104.

It is a super-2 number, since 2×4013852872022 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401385287207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83082927 + ... + 83087757.

It is an arithmetic number, because the mean of its divisors is an integer number (12718986096).

Almost surely, 2401385287202 is an apocalyptic number.

401385287202 is an abundant number, since it is smaller than the sum of its proper divisors (412629822942).

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

401385287202 is a wasteful number, since it uses less digits than its factorization.

401385287202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5643.

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 401385287202 in words is "four hundred one billion, three hundred eighty-five million, two hundred eighty-seven thousand, two hundred two".

Divisors: 1 2 3 6 157 193 314 386 457 471 579 914 942 1158 1371 2742 4831 9662 14493 28986 30301 60602 71749 88201 90903 143498 176402 181806 215247 264603 430494 529206 758467 932383 1516934 1864766 2207767 2275401 2797149 4415534 4550802 5594298 6623301 13246602 13847557 27695114 41542671 83085342 146384131 292768262 346619419 426099031 439152393 693238838 852198062 878304786 1039858257 1278297093 2079716514 2556594186 66897547867 133795095734 200692643601 401385287202