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401421340101 = 31792772698649
BaseRepresentation
bin1011101011101101001…
…00111000110111000101
31102101010202001221001210
411311312210320313011
523034102330340401
6504224352242033
741000411043465
oct5656644706705
91371122057053
10401421340101
11145272977241
126596b240319
132bb13c4c1a2
1415600c6bba5
15a6965a64d6
hex5d76938dc5

401421340101 has 16 divisors (see below), whose sum is σ = 540161784000. Its totient is φ = 265158357888.

The previous prime is 401421340081. The next prime is 401421340139. The reversal of 401421340101 is 101043124104.

It is not a de Polignac number, because 401421340101 - 214 = 401421323717 is a prime.

It is a super-3 number, since 3×4014213401013 (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401421340141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1200576 + ... + 1498073.

It is an arithmetic number, because the mean of its divisors is an integer number (33760111500).

Almost surely, 2401421340101 is an apocalyptic number.

It is an amenable number.

401421340101 is a deficient number, since it is larger than the sum of its proper divisors (138740443899).

401421340101 is a wasteful number, since it uses less digits than its factorization.

401421340101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699108.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 401421340101 its reverse (101043124104), we get a palindrome (502464464205).

The spelling of 401421340101 in words is "four hundred one billion, four hundred twenty-one million, three hundred forty thousand, one hundred one".

Divisors: 1 3 179 277 537 831 49583 148749 2698649 8095947 483058171 747525773 1449174513 2242577319 133807113367 401421340101