Search a number
-
+
1400430324421 = 41327831041907
BaseRepresentation
bin10100011000010000001…
…001101110101011000101
311221212202101201112121101
4110120100021232223011
5140421040130340141
62551203202020101
7203114653231132
oct24302011565305
94855671645541
101400430324421
1149aa12455407
121a74b5347631
13a20a1b04ccb
144bad1825589
1526665d13531
hex1461026eac5

1400430324421 has 8 divisors (see below), whose sum is σ = 1434632298624. Its totient is φ = 1366230499680.

The previous prime is 1400430324361. The next prime is 1400430324479. The reversal of 1400430324421 is 1244230340041.

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 1400430324421 - 211 = 1400430322373 is a prime.

It is a super-2 number, since 2×14004303244212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1400430324421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400430324121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823150 + ... + 1865056.

It is an arithmetic number, because the mean of its divisors is an integer number (179329037328).

Almost surely, 21400430324421 is an apocalyptic number.

It is an amenable number.

1400430324421 is a deficient number, since it is larger than the sum of its proper divisors (34201974203).

1400430324421 is a wasteful number, since it uses less digits than its factorization.

1400430324421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074731.

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

Adding to 1400430324421 its reverse (1244230340041), we get a palindrome (2644660664462).

The spelling of 1400430324421 in words is "one trillion, four hundred billion, four hundred thirty million, three hundred twenty-four thousand, four hundred twenty-one".

Divisors: 1 41 32783 1041907 1344103 42718187 34156837181 1400430324421