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611869051434 = 23196780108543
BaseRepresentation
bin10001110011101100011…
…11001100101000101010
32011111100012120100011210
420321312033030220222
540011101434121214
61145031101133550
762130454060344
oct10716617145052
92144305510153
10611869051434
11216546145613
129a70185a2b6
1345911933874
1421886736294
1510db1d73b59
hex8e763cca2a

611869051434 has 32 divisors (see below), whose sum is σ = 1307371438080. Its totient is φ = 190337895792.

The previous prime is 611869051427. The next prime is 611869051439. The reversal of 611869051434 is 434150968116.

611869051434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6118690514342 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (611869051439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40046634 + ... + 40061909.

It is an arithmetic number, because the mean of its divisors is an integer number (40855357440).

Almost surely, 2611869051434 is an apocalyptic number.

611869051434 is an abundant number, since it is smaller than the sum of its proper divisors (695502386646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611869051434 is a wasteful number, since it uses less digits than its factorization.

611869051434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80108634.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 611869051434 in words is "six hundred eleven billion, eight hundred sixty-nine million, fifty-one thousand, four hundred thirty-four".

Divisors: 1 2 3 6 19 38 57 67 114 134 201 402 1273 2546 3819 7638 80108543 160217086 240325629 480651258 1522062317 3044124634 4566186951 5367272381 9132373902 10734544762 16101817143 32203634286 101978175239 203956350478 305934525717 611869051434