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420200545403045 = 511471271279948051
BaseRepresentation
bin101111110001010111001000…
…0001111100100000010100101
32001002210210001111021122121202
41133202232100033210002211
5420034031204110344140
64045405244325052245
7154336326143525501
oct13742562017440245
92032723044248552
10420200545403045
11111986061302250
123b165820557085
1315060983b41944
1475a9b5a19b301
15338a5a926e915
hex17e2b903e40a5

420200545403045 has 32 divisors (see below), whose sum is σ = 566208059867136. Its totient is φ = 296743155912000.

The previous prime is 420200545403029. The next prime is 420200545403077. The reversal of 420200545403045 is 540304545002024.

It is not a de Polignac number, because 420200545403045 - 24 = 420200545403029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 639645731 + ... + 640302320.

It is an arithmetic number, because the mean of its divisors is an integer number (17694001870848).

Almost surely, 2420200545403045 is an apocalyptic number.

It is an amenable number.

420200545403045 is a deficient number, since it is larger than the sum of its proper divisors (146007514464091).

420200545403045 is a wasteful number, since it uses less digits than its factorization.

420200545403045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279948241.

The product of its (nonzero) digits is 384000, while the sum is 38.

The spelling of 420200545403045 in words is "four hundred twenty trillion, two hundred billion, five hundred forty-five million, four hundred three thousand, forty-five".

Divisors: 1 5 11 47 55 127 235 517 635 1397 2585 5969 6985 29845 65659 328295 1279948051 6399740255 14079428561 60157558397 70397142805 162553402477 300787791985 661733142367 812767012385 1788087427247 3308665711835 7640009916419 8940437136235 38200049582095 84040109080609 420200545403045