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401868683358 = 23486471376819
BaseRepresentation
bin1011101100100010011…
…11010111100001011110
31102102021220211022122120
411312101033113201132
523041011340331413
6504341012323410
741014452306312
oct5662117274136
91372256738576
10401868683358
1114548243890a
1265a75013566
132bb8582883c
1415644437b42
15a6c09bc723
hex5d913d785e

401868683358 has 16 divisors (see below), whose sum is σ = 803754472320. Its totient is φ = 133953376856.

The previous prime is 401868683357. The next prime is 401868683369. The reversal of 401868683358 is 853386868104.

It is a super-2 number, since 2×4018686833582 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401868683351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396528 + ... + 980291.

It is an arithmetic number, because the mean of its divisors is an integer number (50234654520).

Almost surely, 2401868683358 is an apocalyptic number.

401868683358 is an abundant number, since it is smaller than the sum of its proper divisors (401885788962).

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

401868683358 is a wasteful number, since it uses less digits than its factorization.

401868683358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425471.

The product of its (nonzero) digits is 26542080, while the sum is 60.

The spelling of 401868683358 in words is "four hundred one billion, eight hundred sixty-eight million, six hundred eighty-three thousand, three hundred fifty-eight".

Divisors: 1 2 3 6 48647 97294 145941 291882 1376819 2753638 4130457 8260914 66978113893 133956227786 200934341679 401868683358