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421416655051015 = 513113126487453601
BaseRepresentation
bin101111111010001101011011…
…0000001101101100100000111
32001021010001001021010200010201
41133310122312001231210013
5420213442302143113030
64052140045543231331
7154523230365136321
oct13764326601554407
92037101037120121
10421416655051015
11112304888515298
123b321455148547
131511b55cb23910
14760c96403a611
1533ac0333ae2ca
hex17f46b606d907

421416655051015 has 32 divisors (see below), whose sum is σ = 549425008814976. Its totient is φ = 308442890649600.

The previous prime is 421416655051013. The next prime is 421416655051033. The reversal of 421416655051015 is 510150556614124.

It is not a de Polignac number, because 421416655051015 - 21 = 421416655051013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421416655051013) 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, 928820215 + ... + 929273815.

It is an arithmetic number, because the mean of its divisors is an integer number (17169531525468).

Almost surely, 2421416655051015 is an apocalyptic number.

421416655051015 is a deficient number, since it is larger than the sum of its proper divisors (128008353763961).

421416655051015 is a wasteful number, since it uses less digits than its factorization.

421416655051015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580219.

The product of its (nonzero) digits is 720000, while the sum is 46.

The spelling of 421416655051015 in words is "four hundred twenty-one trillion, four hundred sixteen billion, six hundred fifty-five million, fifty-one thousand, fifteen".

Divisors: 1 5 13 65 113 565 1469 7345 126487 453601 632435 1644331 2268005 5896813 8221655 14293031 29484065 51256913 71465155 185809403 256284565 666339869 929047015 3331699345 57374629687 286873148435 745870185931 3729350929655 6483333154631 32416665773155 84283331010203 421416655051015