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1942134818 = 21331943541
BaseRepresentation
bin111001111000010…
…1010000000100010
312000100110200010012
41303300222000202
512434141303233
6520414404522
766061605431
oct16360520042
95010420105
101942134818
119073146a8
12462500742
1324c497000
14145d15118
15b5782548
hex73c2a022

1942134818 has 64 divisors (see below), whose sum is σ = 3405494400. Its totient is φ = 827910720.

The previous prime is 1942134811. The next prime is 1942134823. The reversal of 1942134818 is 8184312491.

It is a super-3 number, since 3×19421348183 (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1942134811) 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, 3589628 + ... + 3590168.

It is an arithmetic number, because the mean of its divisors is an integer number (53210850).

Almost surely, 21942134818 is an apocalyptic number.

1942134818 is a deficient number, since it is larger than the sum of its proper divisors (1463359582).

1942134818 is a wasteful number, since it uses less digits than its factorization.

1942134818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 618 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 1942134818 is about 44069.6587007433. The cubic root of 1942134818 is about 1247.6510164260.

The spelling of 1942134818 in words is "one billion, nine hundred forty-two million, one hundred thirty-four thousand, eight hundred eighteen".

Divisors: 1 2 13 19 26 38 43 86 169 247 338 494 541 559 817 1082 1118 1634 2197 3211 4394 6422 7033 7267 10279 10621 14066 14534 20558 21242 23263 41743 46526 83486 91429 94471 133627 138073 182858 188942 267254 276146 302419 441997 604838 883994 1188577 1737151 1794949 2377154 3474302 3589898 3931447 5745961 7862894 11491922 22582963 45165926 51108811 74697493 102217622 149394986 971067409 1942134818