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421042115230193 = 31123791031206173
BaseRepresentation
bin101111110111011111000000…
…1101101101011100111110001
32001012210020021221101102010002
41133232332001231223213301
5420141323222444331233
64051252024423115345
7154454201056163042
oct13756760155534761
92035706257342102
10421042115230193
1111217aa5a558396
123b2809485a2b55
13150c2141170a72
1475d87933ac8c9
1533a2411c876e8
hex17eef81b6b9f1

421042115230193 has 16 divisors (see below), whose sum is σ = 435023616731136. Its totient is φ = 407085655331520.

The previous prime is 421042115230171. The next prime is 421042115230201. The reversal of 421042115230193 is 391032511240124.

It is a cyclic number.

It is not a de Polignac number, because 421042115230193 - 214 = 421042115213809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (421042115230133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348469655 + ... + 349675827.

It is an arithmetic number, because the mean of its divisors is an integer number (27188976045696).

Almost surely, 2421042115230193 is an apocalyptic number.

It is an amenable number.

421042115230193 is a deficient number, since it is larger than the sum of its proper divisors (13981501500943).

421042115230193 is a wasteful number, since it uses less digits than its factorization.

421042115230193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216544.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 421042115230193 in words is "four hundred twenty-one trillion, forty-two billion, one hundred fifteen million, two hundred thirty thousand, one hundred ninety-three".

Divisors: 1 31 1237 9103 38347 282193 1206173 11260411 37391363 349072741 1492036001 10979792819 46253116031 340373577389 13582003717103 421042115230193