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401402142433 = 12491501721401
BaseRepresentation
bin1011101011101010110…
…11101001111011100001
31102101002101221120211001
411311311123221323201
523034032422024213
6504222424552001
741000055625555
oct5656533517341
91371071846731
10401402142433
111452630547a6
1265964922601
132bb0cc8a016
14155dc4b1865
15a694a631dd
hex5d756e9ee1

401402142433 has 8 divisors (see below), whose sum is σ = 401769045000. Its totient is φ = 401035315200.

The previous prime is 401402142373. The next prime is 401402142439. The reversal of 401402142433 is 334241204104.

It can be written as a sum of positive squares in 4 ways, for example, as 4977020304 + 396425122129 = 70548^2 + 629623^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401402142433 - 221 = 401400045281 is a prime.

It is a super-2 number, since 2×4014021424332 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401402142439) 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, 18745533 + ... + 18766933.

It is an arithmetic number, because the mean of its divisors is an integer number (50221130625).

Almost surely, 2401402142433 is an apocalyptic number.

It is an amenable number.

401402142433 is a deficient number, since it is larger than the sum of its proper divisors (366902567).

401402142433 is a wasteful number, since it uses less digits than its factorization.

401402142433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37667.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 401402142433 its reverse (334241204104), we get a palindrome (735643346537).

The spelling of 401402142433 in words is "four hundred one billion, four hundred two million, one hundred forty-two thousand, four hundred thirty-three".

Divisors: 1 1249 15017 21401 18756233 26729849 321378817 401402142433