Search a number
-
+
420669254386 = 21723537940223
BaseRepresentation
bin1100001111100011101…
…01110110101011110010
31111012211011102021200001
412013301311312223302
523343012312120021
6521130334020214
742251401443613
oct6076165665362
91435734367601
10420669254386
1115244a911117
126964134766a
133089087bb94
14165092dbc0a
15ae212b2091
hex61f1d76af2

420669254386 has 16 divisors (see below), whose sum is σ = 697170530304. Its totient is φ = 189354958144.

The previous prime is 420669254381. The next prime is 420669254407. The reversal of 420669254386 is 683452966024.

It is not an unprimeable number, because it can be changed into a prime (420669254381) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 268969330 + ... + 268970893.

It is an arithmetic number, because the mean of its divisors is an integer number (43573158144).

Almost surely, 2420669254386 is an apocalyptic number.

420669254386 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

420669254386 is a deficient number, since it is larger than the sum of its proper divisors (276501275918).

420669254386 is a wasteful number, since it uses less digits than its factorization.

420669254386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537940265.

The product of its (nonzero) digits is 14929920, while the sum is 55.

The spelling of 420669254386 in words is "four hundred twenty billion, six hundred sixty-nine million, two hundred fifty-four thousand, three hundred eighty-six".

Divisors: 1 2 17 23 34 46 391 782 537940223 1075880446 9144983791 12372625129 18289967582 24745250258 210334627193 420669254386