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1421258495 = 51907149057
BaseRepresentation
bin101010010110110…
…1010111011111111
310200001100102010112
41110231222323333
510402320232440
6353010300235
750135332526
oct12455527377
93601312115
101421258495
1166a2995a8
12337b8767b
131985b2977
14d6a874bd
1584b93965
hex54b6aeff

1421258495 has 8 divisors (see below), whose sum is σ = 1706415984. Its totient is φ = 1136402944.

The previous prime is 1421258483. The next prime is 1421258507. The reversal of 1421258495 is 5948521241.

It is an interprime number because it is at equal distance from previous prime (1421258483) and next prime (1421258507).

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 1421258495 - 210 = 1421257471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64994 + ... + 84063.

It is an arithmetic number, because the mean of its divisors is an integer number (213301998).

Almost surely, 21421258495 is an apocalyptic number.

1421258495 is a deficient number, since it is larger than the sum of its proper divisors (285157489).

1421258495 is a wasteful number, since it uses less digits than its factorization.

1421258495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150969.

The product of its digits is 115200, while the sum is 41.

The square root of 1421258495 is about 37699.5821594882. The cubic root of 1421258495 is about 1124.3228174791.

The spelling of 1421258495 in words is "one billion, four hundred twenty-one million, two hundred fifty-eight thousand, four hundred ninety-five".

Divisors: 1 5 1907 9535 149057 745285 284251699 1421258495